19686390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 49959936

約数和(自身を除く): 30273546

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 103, 115, 138, 206, 230, 277, 309, 345, 515, 554, 618, 690, 831, 1030, 1385, 1545, 1662, 2369, 2770, 3090, 4155, 4738, 6371, 7107, 8310, 11845, 12742, 14214, 19113, 23690, 28531, 31855, 35535, 38226, 57062, 63710, 71070, 85593, 95565, 142655, 171186, 191130, 285310, 427965, 656213, 855930, 1312426, 1968639, 3281065, 3937278, 6562130, 9843195, 19686390]

約数ペア:

[(1, 19686390), (2, 9843195), (3, 6562130), (5, 3937278), (6, 3281065), (10, 1968639), (15, 1312426), (23, 855930), (30, 656213), (46, 427965), (69, 285310), (103, 191130), (115, 171186), (138, 142655), (206, 95565), (230, 85593), (277, 71070), (309, 63710), (345, 57062), (515, 38226), (554, 35535), (618, 31855), (690, 28531), (831, 23690), (1030, 19113), (1385, 14214), (1545, 12742), (1662, 11845), (2369, 8310), (2770, 7107), (3090, 6371), (4155, 4738)]