18756990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1567}}^1$

素因数の和:1606

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 39948930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1567, 1710, 1995, 2394, 3134, 3990, 4701, 5985, 7835, 9402, 10969, 11970, 14103, 15670, 21938, 23505, 28206, 29773, 32907, 47010, 54845, 59546, 65814, 70515, 89319, 98721, 109690, 141030, 148865, 164535, 178638, 197442, 208411, 267957, 297730, 329070, 416822, 446595, 493605, 535914, 625233, 893190, 987210, 1042055, 1250466, 1339785, 1875699, 2084110, 2679570, 3126165, 3751398, 6252330, 9378495, 18756990]

約数ペア:

[(1, 18756990), (2, 9378495), (3, 6252330), (5, 3751398), (6, 3126165), (7, 2679570), (9, 2084110), (10, 1875699), (14, 1339785), (15, 1250466), (18, 1042055), (19, 987210), (21, 893190), (30, 625233), (35, 535914), (38, 493605), (42, 446595), (45, 416822), (57, 329070), (63, 297730), (70, 267957), (90, 208411), (95, 197442), (105, 178638), (114, 164535), (126, 148865), (133, 141030), (171, 109690), (190, 98721), (210, 89319), (266, 70515), (285, 65814), (315, 59546), (342, 54845), (399, 47010), (570, 32907), (630, 29773), (665, 28206), (798, 23505), (855, 21938), (1197, 15670), (1330, 14103), (1567, 11970), (1710, 10969), (1995, 9402), (2394, 7835), (3134, 5985), (3990, 4701)]