18891092

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{383}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 19816108

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 59, 76, 118, 209, 236, 383, 418, 649, 766, 836, 1121, 1298, 1532, 2242, 2596, 4213, 4484, 7277, 8426, 12331, 14554, 16852, 22597, 24662, 29108, 45194, 49324, 80047, 90388, 160094, 248567, 320188, 429343, 497134, 858686, 994268, 1717372, 4722773, 9445546, 18891092]

約数ペア:

[(1, 18891092), (2, 9445546), (4, 4722773), (11, 1717372), (19, 994268), (22, 858686), (38, 497134), (44, 429343), (59, 320188), (76, 248567), (118, 160094), (209, 90388), (236, 80047), (383, 49324), (418, 45194), (649, 29108), (766, 24662), (836, 22597), (1121, 16852), (1298, 14554), (1532, 12331), (2242, 8426), (2596, 7277), (4213, 4484)]