19669938

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 40330752

約数和(自身を除く): 20660814

約数列:

[1, 2, 3, 6, 61, 122, 183, 223, 241, 366, 446, 482, 669, 723, 1338, 1446, 13603, 14701, 27206, 29402, 40809, 44103, 53743, 81618, 88206, 107486, 161229, 322458, 3278323, 6556646, 9834969, 19669938]

約数ペア:

[(1, 19669938), (2, 9834969), (3, 6556646), (6, 3278323), (61, 322458), (122, 161229), (183, 107486), (223, 88206), (241, 81618), (366, 53743), (446, 44103), (482, 40809), (669, 29402), (723, 27206), (1338, 14701), (1446, 13603)]