18402530

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18922270

約数列:

[1, 2, 5, 10, 23, 29, 31, 46, 58, 62, 89, 115, 145, 155, 178, 230, 290, 310, 445, 667, 713, 890, 899, 1334, 1426, 1798, 2047, 2581, 2759, 3335, 3565, 4094, 4495, 5162, 5518, 6670, 7130, 8990, 10235, 12905, 13795, 20470, 20677, 25810, 27590, 41354, 59363, 63457, 80011, 103385, 118726, 126914, 160022, 206770, 296815, 317285, 400055, 593630, 634570, 800110, 1840253, 3680506, 9201265, 18402530]

約数ペア:

[(1, 18402530), (2, 9201265), (5, 3680506), (10, 1840253), (23, 800110), (29, 634570), (31, 593630), (46, 400055), (58, 317285), (62, 296815), (89, 206770), (115, 160022), (145, 126914), (155, 118726), (178, 103385), (230, 80011), (290, 63457), (310, 59363), (445, 41354), (667, 27590), (713, 25810), (890, 20677), (899, 20470), (1334, 13795), (1426, 12905), (1798, 10235), (2047, 8990), (2581, 7130), (2759, 6670), (3335, 5518), (3565, 5162), (4094, 4495)]