19305036

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 50778000

約数和(自身を除く): 31472964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 61, 118, 122, 149, 177, 183, 236, 244, 298, 354, 366, 447, 531, 549, 596, 708, 732, 894, 1062, 1098, 1341, 1788, 2124, 2196, 2682, 3599, 5364, 7198, 8791, 9089, 10797, 14396, 17582, 18178, 21594, 26373, 27267, 32391, 35164, 36356, 43188, 52746, 54534, 64782, 79119, 81801, 105492, 109068, 129564, 158238, 163602, 316476, 327204, 536251, 1072502, 1608753, 2145004, 3217506, 4826259, 6435012, 9652518, 19305036]

約数ペア:

[(1, 19305036), (2, 9652518), (3, 6435012), (4, 4826259), (6, 3217506), (9, 2145004), (12, 1608753), (18, 1072502), (36, 536251), (59, 327204), (61, 316476), (118, 163602), (122, 158238), (149, 129564), (177, 109068), (183, 105492), (236, 81801), (244, 79119), (298, 64782), (354, 54534), (366, 52746), (447, 43188), (531, 36356), (549, 35164), (596, 32391), (708, 27267), (732, 26373), (894, 21594), (1062, 18178), (1098, 17582), (1341, 14396), (1788, 10797), (2124, 9089), (2196, 8791), (2682, 7198), (3599, 5364)]