18216896

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 56

約数和(自身を含む): 38770560

約数和(自身を除く): 20553664

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 71, 76, 142, 152, 211, 284, 304, 422, 568, 608, 844, 1136, 1216, 1349, 1688, 2272, 2698, 3376, 4009, 4544, 5396, 6752, 8018, 10792, 13504, 14981, 16036, 21584, 29962, 32072, 43168, 59924, 64144, 86336, 119848, 128288, 239696, 256576, 284639, 479392, 569278, 958784, 1138556, 2277112, 4554224, 9108448, 18216896]

約数ペア:

[(1, 18216896), (2, 9108448), (4, 4554224), (8, 2277112), (16, 1138556), (19, 958784), (32, 569278), (38, 479392), (64, 284639), (71, 256576), (76, 239696), (142, 128288), (152, 119848), (211, 86336), (284, 64144), (304, 59924), (422, 43168), (568, 32072), (608, 29962), (844, 21584), (1136, 16036), (1216, 14981), (1349, 13504), (1688, 10792), (2272, 8018), (2698, 6752), (3376, 5396), (4009, 4544)]