19907160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1823}}^1$

素因数の和:1857

約数の個数: 128

約数和(自身を含む): 73543680

約数和(自身を除く): 53636520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 1823, 2184, 2730, 3640, 3646, 5460, 5469, 7292, 9115, 10920, 10938, 12761, 14584, 18230, 21876, 23699, 25522, 27345, 36460, 38283, 43752, 47398, 51044, 54690, 63805, 71097, 72920, 76566, 94796, 102088, 109380, 118495, 127610, 142194, 153132, 165893, 189592, 191415, 218760, 236990, 255220, 284388, 306264, 331786, 355485, 382830, 473980, 497679, 510440, 568776, 663572, 710970, 765660, 829465, 947960, 995358, 1327144, 1421940, 1531320, 1658930, 1990716, 2488395, 2843880, 3317860, 3981432, 4976790, 6635720, 9953580, 19907160]

約数ペア:

[(1, 19907160), (2, 9953580), (3, 6635720), (4, 4976790), (5, 3981432), (6, 3317860), (7, 2843880), (8, 2488395), (10, 1990716), (12, 1658930), (13, 1531320), (14, 1421940), (15, 1327144), (20, 995358), (21, 947960), (24, 829465), (26, 765660), (28, 710970), (30, 663572), (35, 568776), (39, 510440), (40, 497679), (42, 473980), (52, 382830), (56, 355485), (60, 331786), (65, 306264), (70, 284388), (78, 255220), (84, 236990), (91, 218760), (104, 191415), (105, 189592), (120, 165893), (130, 153132), (140, 142194), (156, 127610), (168, 118495), (182, 109380), (195, 102088), (210, 94796), (260, 76566), (273, 72920), (280, 71097), (312, 63805), (364, 54690), (390, 51044), (420, 47398), (455, 43752), (520, 38283), (546, 36460), (728, 27345), (780, 25522), (840, 23699), (910, 21876), (1092, 18230), (1365, 14584), (1560, 12761), (1820, 10938), (1823, 10920), (2184, 9115), (2730, 7292), (3640, 5469), (3646, 5460)]