19758223940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{36067}}^1$

素因数の和:36146

約数の個数: 144

約数和(自身を含む): 53189623872

約数和(自身を除く): 33431399932

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 49, 52, 65, 70, 86, 91, 98, 130, 140, 172, 182, 196, 215, 245, 260, 301, 364, 430, 455, 490, 559, 602, 637, 860, 910, 980, 1118, 1204, 1274, 1505, 1820, 2107, 2236, 2548, 2795, 3010, 3185, 3913, 4214, 5590, 6020, 6370, 7826, 8428, 10535, 11180, 12740, 15652, 19565, 21070, 27391, 36067, 39130, 42140, 54782, 72134, 78260, 109564, 136955, 144268, 180335, 252469, 273910, 360670, 468871, 504938, 547820, 721340, 937742, 1009876, 1262345, 1550881, 1767283, 1875484, 2344355, 2524690, 3101762, 3282097, 3534566, 4688710, 5049380, 6203524, 6564194, 7069132, 7754405, 8836415, 9377420, 10856167, 13128388, 15508810, 16410485, 17672830, 20161453, 21712334, 22974679, 31017620, 32820970, 35345660, 40322906, 43424668, 45949358, 54280835, 65641940, 75993169, 80645812, 91898716, 100807265, 108561670, 114873395, 141130171, 151986338, 201614530, 217123340, 229746790, 282260342, 303972676, 379965845, 403229060, 459493580, 564520684, 705650855, 759931690, 987911197, 1411301710, 1519863380, 1975822394, 2822603420, 3951644788, 4939555985, 9879111970, 19758223940]

約数ペア:

[(1, 19758223940), (2, 9879111970), (4, 4939555985), (5, 3951644788), (7, 2822603420), (10, 1975822394), (13, 1519863380), (14, 1411301710), (20, 987911197), (26, 759931690), (28, 705650855), (35, 564520684), (43, 459493580), (49, 403229060), (52, 379965845), (65, 303972676), (70, 282260342), (86, 229746790), (91, 217123340), (98, 201614530), (130, 151986338), (140, 141130171), (172, 114873395), (182, 108561670), (196, 100807265), (215, 91898716), (245, 80645812), (260, 75993169), (301, 65641940), (364, 54280835), (430, 45949358), (455, 43424668), (490, 40322906), (559, 35345660), (602, 32820970), (637, 31017620), (860, 22974679), (910, 21712334), (980, 20161453), (1118, 17672830), (1204, 16410485), (1274, 15508810), (1505, 13128388), (1820, 10856167), (2107, 9377420), (2236, 8836415), (2548, 7754405), (2795, 7069132), (3010, 6564194), (3185, 6203524), (3913, 5049380), (4214, 4688710), (5590, 3534566), (6020, 3282097), (6370, 3101762), (7826, 2524690), (8428, 2344355), (10535, 1875484), (11180, 1767283), (12740, 1550881), (15652, 1262345), (19565, 1009876), (21070, 937742), (27391, 721340), (36067, 547820), (39130, 504938), (42140, 468871), (54782, 360670), (72134, 273910), (78260, 252469), (109564, 180335), (136955, 144268)]