19914897390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{887}}^1$

素因数の和:1226

約数の個数: 128

約数和(自身を含む): 49854735360

約数和(自身を除く): 29939837970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 113, 179, 185, 222, 226, 339, 358, 370, 537, 555, 565, 678, 887, 895, 1074, 1110, 1130, 1695, 1774, 1790, 2661, 2685, 3390, 4181, 4435, 5322, 5370, 6623, 8362, 8870, 12543, 13246, 13305, 19869, 20227, 20905, 25086, 26610, 32819, 33115, 39738, 40454, 41810, 60681, 62715, 65638, 66230, 98457, 99345, 100231, 101135, 121362, 125430, 158773, 164095, 196914, 198690, 200462, 202270, 300693, 303405, 317546, 328190, 476319, 492285, 501155, 601386, 606810, 748399, 793865, 952638, 984570, 1002310, 1496798, 1503465, 1587730, 2245197, 2381595, 3006930, 3708547, 3741995, 4490394, 4763190, 5874601, 7417094, 7483990, 11125641, 11225985, 11749202, 17623803, 17941349, 18542735, 22251282, 22451970, 29373005, 35247606, 35882698, 37085470, 53824047, 55628205, 58746010, 88119015, 89706745, 107648094, 111256410, 176238030, 179413490, 269120235, 538240470, 663829913, 1327659826, 1991489739, 3319149565, 3982979478, 6638299130, 9957448695, 19914897390]

約数ペア:

[(1, 19914897390), (2, 9957448695), (3, 6638299130), (5, 3982979478), (6, 3319149565), (10, 1991489739), (15, 1327659826), (30, 663829913), (37, 538240470), (74, 269120235), (111, 179413490), (113, 176238030), (179, 111256410), (185, 107648094), (222, 89706745), (226, 88119015), (339, 58746010), (358, 55628205), (370, 53824047), (537, 37085470), (555, 35882698), (565, 35247606), (678, 29373005), (887, 22451970), (895, 22251282), (1074, 18542735), (1110, 17941349), (1130, 17623803), (1695, 11749202), (1774, 11225985), (1790, 11125641), (2661, 7483990), (2685, 7417094), (3390, 5874601), (4181, 4763190), (4435, 4490394), (5322, 3741995), (5370, 3708547), (6623, 3006930), (8362, 2381595), (8870, 2245197), (12543, 1587730), (13246, 1503465), (13305, 1496798), (19869, 1002310), (20227, 984570), (20905, 952638), (25086, 793865), (26610, 748399), (32819, 606810), (33115, 601386), (39738, 501155), (40454, 492285), (41810, 476319), (60681, 328190), (62715, 317546), (65638, 303405), (66230, 300693), (98457, 202270), (99345, 200462), (100231, 198690), (101135, 196914), (121362, 164095), (125430, 158773)]