18619650

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:305

約数の個数: 144

約数和(自身を含む): 59889024

約数和(自身を除く): 41269374

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 25, 30, 35, 42, 45, 46, 50, 63, 69, 70, 75, 90, 105, 115, 126, 138, 150, 161, 175, 207, 210, 225, 230, 257, 315, 322, 345, 350, 414, 450, 483, 514, 525, 575, 630, 690, 771, 805, 966, 1035, 1050, 1150, 1285, 1449, 1542, 1575, 1610, 1725, 1799, 2070, 2313, 2415, 2570, 2898, 3150, 3450, 3598, 3855, 4025, 4626, 4830, 5175, 5397, 5911, 6425, 7245, 7710, 8050, 8995, 10350, 10794, 11565, 11822, 12075, 12850, 14490, 16191, 17733, 17990, 19275, 23130, 24150, 26985, 29555, 32382, 35466, 36225, 38550, 41377, 44975, 53199, 53970, 57825, 59110, 72450, 80955, 82754, 88665, 89950, 106398, 115650, 124131, 134925, 147775, 161910, 177330, 206885, 248262, 265995, 269850, 295550, 372393, 404775, 413770, 443325, 531990, 620655, 744786, 809550, 886650, 1034425, 1241310, 1329975, 1861965, 2068850, 2659950, 3103275, 3723930, 6206550, 9309825, 18619650]

約数ペア:

[(1, 18619650), (2, 9309825), (3, 6206550), (5, 3723930), (6, 3103275), (7, 2659950), (9, 2068850), (10, 1861965), (14, 1329975), (15, 1241310), (18, 1034425), (21, 886650), (23, 809550), (25, 744786), (30, 620655), (35, 531990), (42, 443325), (45, 413770), (46, 404775), (50, 372393), (63, 295550), (69, 269850), (70, 265995), (75, 248262), (90, 206885), (105, 177330), (115, 161910), (126, 147775), (138, 134925), (150, 124131), (161, 115650), (175, 106398), (207, 89950), (210, 88665), (225, 82754), (230, 80955), (257, 72450), (315, 59110), (322, 57825), (345, 53970), (350, 53199), (414, 44975), (450, 41377), (483, 38550), (514, 36225), (525, 35466), (575, 32382), (630, 29555), (690, 26985), (771, 24150), (805, 23130), (966, 19275), (1035, 17990), (1050, 17733), (1150, 16191), (1285, 14490), (1449, 12850), (1542, 12075), (1575, 11822), (1610, 11565), (1725, 10794), (1799, 10350), (2070, 8995), (2313, 8050), (2415, 7710), (2570, 7245), (2898, 6425), (3150, 5911), (3450, 5397), (3598, 5175), (3855, 4830), (4025, 4626)]