18701014784

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103913}}^1$

素因数の和:103985

約数の個数: 72

約数和(自身を含む): 40356041040

約数和(自身を除く): 21655026256

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 128, 148, 152, 256, 296, 304, 592, 608, 703, 1184, 1216, 1406, 2368, 2432, 2812, 4736, 4864, 5624, 9472, 11248, 22496, 44992, 89984, 103913, 179968, 207826, 415652, 831304, 1662608, 1974347, 3325216, 3844781, 3948694, 6650432, 7689562, 7897388, 13300864, 15379124, 15794776, 26601728, 30758248, 31589552, 61516496, 63179104, 73050839, 123032992, 126358208, 146101678, 246065984, 252716416, 292203356, 492131968, 505432832, 584406712, 984263936, 1168813424, 2337626848, 4675253696, 9350507392, 18701014784]

約数ペア:

[(1, 18701014784), (2, 9350507392), (4, 4675253696), (8, 2337626848), (16, 1168813424), (19, 984263936), (32, 584406712), (37, 505432832), (38, 492131968), (64, 292203356), (74, 252716416), (76, 246065984), (128, 146101678), (148, 126358208), (152, 123032992), (256, 73050839), (296, 63179104), (304, 61516496), (592, 31589552), (608, 30758248), (703, 26601728), (1184, 15794776), (1216, 15379124), (1406, 13300864), (2368, 7897388), (2432, 7689562), (2812, 6650432), (4736, 3948694), (4864, 3844781), (5624, 3325216), (9472, 1974347), (11248, 1662608), (22496, 831304), (44992, 415652), (89984, 207826), (103913, 179968)]