19001259940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{19843}}^1$

素因数の和:20021

約数の個数: 96

約数和(自身を含む): 44806164480

約数和(自身を除く): 25804904540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 127, 130, 145, 254, 260, 290, 377, 508, 580, 635, 754, 1270, 1508, 1651, 1885, 2540, 3302, 3683, 3770, 6604, 7366, 7540, 8255, 14732, 16510, 18415, 19843, 33020, 36830, 39686, 47879, 73660, 79372, 95758, 99215, 191516, 198430, 239395, 257959, 396860, 478790, 515918, 575447, 957580, 1031836, 1150894, 1289795, 2301788, 2520061, 2579590, 2877235, 5040122, 5159180, 5754470, 7480811, 10080244, 11508940, 12600305, 14961622, 25200610, 29923244, 32760793, 37404055, 50401220, 65521586, 73081769, 74808110, 131043172, 146163538, 149616220, 163803965, 292327076, 327607930, 365408845, 655215860, 730817690, 950062997, 1461635380, 1900125994, 3800251988, 4750314985, 9500629970, 19001259940]

約数ペア:

[(1, 19001259940), (2, 9500629970), (4, 4750314985), (5, 3800251988), (10, 1900125994), (13, 1461635380), (20, 950062997), (26, 730817690), (29, 655215860), (52, 365408845), (58, 327607930), (65, 292327076), (116, 163803965), (127, 149616220), (130, 146163538), (145, 131043172), (254, 74808110), (260, 73081769), (290, 65521586), (377, 50401220), (508, 37404055), (580, 32760793), (635, 29923244), (754, 25200610), (1270, 14961622), (1508, 12600305), (1651, 11508940), (1885, 10080244), (2540, 7480811), (3302, 5754470), (3683, 5159180), (3770, 5040122), (6604, 2877235), (7366, 2579590), (7540, 2520061), (8255, 2301788), (14732, 1289795), (16510, 1150894), (18415, 1031836), (19843, 957580), (33020, 575447), (36830, 515918), (39686, 478790), (47879, 396860), (73660, 257959), (79372, 239395), (95758, 198430), (99215, 191516)]