18880618408

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{10303}}^1$

素因数の和:10538

約数の個数: 64

約数和(自身を含む): 37495019520

約数和(自身を除く): 18614401112

約数列:

[1, 2, 4, 8, 37, 41, 74, 82, 148, 151, 164, 296, 302, 328, 604, 1208, 1517, 3034, 5587, 6068, 6191, 10303, 11174, 12136, 12382, 20606, 22348, 24764, 41212, 44696, 49528, 82424, 229067, 381211, 422423, 458134, 762422, 844846, 916268, 1524844, 1555753, 1689692, 1832536, 3049688, 3111506, 3379384, 6223012, 12446024, 15629651, 31259302, 57562861, 62518604, 63785873, 115125722, 125037208, 127571746, 230251444, 255143492, 460502888, 510286984, 2360077301, 4720154602, 9440309204, 18880618408]

約数ペア:

[(1, 18880618408), (2, 9440309204), (4, 4720154602), (8, 2360077301), (37, 510286984), (41, 460502888), (74, 255143492), (82, 230251444), (148, 127571746), (151, 125037208), (164, 115125722), (296, 63785873), (302, 62518604), (328, 57562861), (604, 31259302), (1208, 15629651), (1517, 12446024), (3034, 6223012), (5587, 3379384), (6068, 3111506), (6191, 3049688), (10303, 1832536), (11174, 1689692), (12136, 1555753), (12382, 1524844), (20606, 916268), (22348, 844846), (24764, 762422), (41212, 458134), (44696, 422423), (49528, 381211), (82424, 229067)]