19872980608

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{322781}}^1$

素因数の和:322845

約数の個数: 64

約数和(自身を含む): 43788606120

約数和(自身を除く): 23915625512

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 128, 148, 208, 296, 416, 481, 592, 832, 962, 1184, 1664, 1924, 2368, 3848, 4736, 7696, 15392, 30784, 61568, 322781, 645562, 1291124, 2582248, 4196153, 5164496, 8392306, 10328992, 11942897, 16784612, 20657984, 23885794, 33569224, 41315968, 47771588, 67138448, 95543176, 134276896, 155257661, 191086352, 268553792, 310515322, 382172704, 537107584, 621030644, 764345408, 1242061288, 1528690816, 2484122576, 4968245152, 9936490304, 19872980608]

約数ペア:

[(1, 19872980608), (2, 9936490304), (4, 4968245152), (8, 2484122576), (13, 1528690816), (16, 1242061288), (26, 764345408), (32, 621030644), (37, 537107584), (52, 382172704), (64, 310515322), (74, 268553792), (104, 191086352), (128, 155257661), (148, 134276896), (208, 95543176), (296, 67138448), (416, 47771588), (481, 41315968), (592, 33569224), (832, 23885794), (962, 20657984), (1184, 16784612), (1664, 11942897), (1924, 10328992), (2368, 8392306), (3848, 5164496), (4736, 4196153), (7696, 2582248), (15392, 1291124), (30784, 645562), (61568, 322781)]