19666140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1327}}^1$

素因数の和:1371

約数の個数: 96

約数和(自身を含む): 62469120

約数和(自身を除く): 42802980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1327, 1482, 2470, 2654, 2964, 3705, 3981, 4940, 5308, 6635, 7410, 7962, 13270, 14820, 15924, 17251, 19905, 25213, 26540, 34502, 39810, 50426, 51753, 69004, 75639, 79620, 86255, 100852, 103506, 126065, 151278, 172510, 207012, 252130, 258765, 302556, 327769, 345020, 378195, 504260, 517530, 655538, 756390, 983307, 1035060, 1311076, 1512780, 1638845, 1966614, 3277690, 3933228, 4916535, 6555380, 9833070, 19666140]

約数ペア:

[(1, 19666140), (2, 9833070), (3, 6555380), (4, 4916535), (5, 3933228), (6, 3277690), (10, 1966614), (12, 1638845), (13, 1512780), (15, 1311076), (19, 1035060), (20, 983307), (26, 756390), (30, 655538), (38, 517530), (39, 504260), (52, 378195), (57, 345020), (60, 327769), (65, 302556), (76, 258765), (78, 252130), (95, 207012), (114, 172510), (130, 151278), (156, 126065), (190, 103506), (195, 100852), (228, 86255), (247, 79620), (260, 75639), (285, 69004), (380, 51753), (390, 50426), (494, 39810), (570, 34502), (741, 26540), (780, 25213), (988, 19905), (1140, 17251), (1235, 15924), (1327, 14820), (1482, 13270), (2470, 7962), (2654, 7410), (2964, 6635), (3705, 5308), (3981, 4940)]