18571938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 47139840

約数和(自身を除く): 28567902

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 61, 66, 77, 122, 154, 183, 231, 366, 427, 462, 659, 671, 854, 1281, 1318, 1342, 1977, 2013, 2562, 3954, 4026, 4613, 4697, 7249, 9226, 9394, 13839, 14091, 14498, 21747, 27678, 28182, 40199, 43494, 50743, 80398, 101486, 120597, 152229, 241194, 281393, 304458, 442189, 562786, 844179, 884378, 1326567, 1688358, 2653134, 3095323, 6190646, 9285969, 18571938]

約数ペア:

[(1, 18571938), (2, 9285969), (3, 6190646), (6, 3095323), (7, 2653134), (11, 1688358), (14, 1326567), (21, 884378), (22, 844179), (33, 562786), (42, 442189), (61, 304458), (66, 281393), (77, 241194), (122, 152229), (154, 120597), (183, 101486), (231, 80398), (366, 50743), (427, 43494), (462, 40199), (659, 28182), (671, 27678), (854, 21747), (1281, 14498), (1318, 14091), (1342, 13839), (1977, 9394), (2013, 9226), (2562, 7249), (3954, 4697), (4026, 4613)]