18772912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1669}}^1$

素因数の和:1733

約数の個数: 40

約数和(自身を含む): 39345200

約数和(自身を除く): 20572288

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 592, 703, 1406, 1669, 2812, 3338, 5624, 6676, 11248, 13352, 26704, 31711, 61753, 63422, 123506, 126844, 247012, 253688, 494024, 507376, 988048, 1173307, 2346614, 4693228, 9386456, 18772912]

約数ペア:

[(1, 18772912), (2, 9386456), (4, 4693228), (8, 2346614), (16, 1173307), (19, 988048), (37, 507376), (38, 494024), (74, 253688), (76, 247012), (148, 126844), (152, 123506), (296, 63422), (304, 61753), (592, 31711), (703, 26704), (1406, 13352), (1669, 11248), (2812, 6676), (3338, 5624)]