18972702

素因数分解:

$2^1\times 3^2\times 7^4\times {\mathrm{439}}^1$

素因数の和:475

約数の個数: 60

約数和(自身を含む): 48065160

約数和(自身を除く): 29092458

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 439, 441, 686, 878, 882, 1029, 1317, 2058, 2401, 2634, 3073, 3087, 3951, 4802, 6146, 6174, 7203, 7902, 9219, 14406, 18438, 21511, 21609, 27657, 43022, 43218, 55314, 64533, 129066, 150577, 193599, 301154, 387198, 451731, 903462, 1054039, 1355193, 2108078, 2710386, 3162117, 6324234, 9486351, 18972702]

約数ペア:

[(1, 18972702), (2, 9486351), (3, 6324234), (6, 3162117), (7, 2710386), (9, 2108078), (14, 1355193), (18, 1054039), (21, 903462), (42, 451731), (49, 387198), (63, 301154), (98, 193599), (126, 150577), (147, 129066), (294, 64533), (343, 55314), (439, 43218), (441, 43022), (686, 27657), (878, 21609), (882, 21511), (1029, 18438), (1317, 14406), (2058, 9219), (2401, 7902), (2634, 7203), (3073, 6174), (3087, 6146), (3951, 4802)]