1918411456

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{121357}}^1$

素因数の和:121401

約数の個数: 56

約数和(自身を含む): 4315490480

約数和(自身を除く): 2397079024

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1976, 3952, 7904, 15808, 121357, 242714, 485428, 970856, 1577641, 1941712, 2305783, 3155282, 3883424, 4611566, 6310564, 7766848, 9223132, 12621128, 18446264, 25242256, 29975179, 36892528, 50484512, 59950358, 73785056, 100969024, 119900716, 147570112, 239801432, 479602864, 959205728, 1918411456]

約数ペア:

[(1, 1918411456), (2, 959205728), (4, 479602864), (8, 239801432), (13, 147570112), (16, 119900716), (19, 100969024), (26, 73785056), (32, 59950358), (38, 50484512), (52, 36892528), (64, 29975179), (76, 25242256), (104, 18446264), (152, 12621128), (208, 9223132), (247, 7766848), (304, 6310564), (416, 4611566), (494, 3883424), (608, 3155282), (832, 2305783), (988, 1941712), (1216, 1577641), (1976, 970856), (3952, 485428), (7904, 242714), (15808, 121357)]