19915330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3779}}^1$

素因数の和:3834

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 19275710

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 527, 1054, 2635, 3779, 5270, 7558, 18895, 37790, 64243, 117149, 128486, 234298, 321215, 585745, 642430, 1171490, 1991533, 3983066, 9957665, 19915330]

約数ペア:

[(1, 19915330), (2, 9957665), (5, 3983066), (10, 1991533), (17, 1171490), (31, 642430), (34, 585745), (62, 321215), (85, 234298), (155, 128486), (170, 117149), (310, 64243), (527, 37790), (1054, 18895), (2635, 7558), (3779, 5270)]