18854550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:335

約数の個数: 144

約数和(自身を含む): 59714928

約数和(自身を除く): 40860378

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 25, 26, 30, 33, 39, 45, 50, 55, 65, 66, 75, 78, 90, 99, 110, 117, 130, 143, 150, 165, 195, 198, 225, 234, 275, 286, 293, 325, 330, 390, 429, 450, 495, 550, 585, 586, 650, 715, 825, 858, 879, 975, 990, 1170, 1287, 1430, 1465, 1650, 1758, 1950, 2145, 2475, 2574, 2637, 2925, 2930, 3223, 3575, 3809, 4290, 4395, 4950, 5274, 5850, 6435, 6446, 7150, 7325, 7618, 8790, 9669, 10725, 11427, 12870, 13185, 14650, 16115, 19045, 19338, 21450, 21975, 22854, 26370, 29007, 32175, 32230, 34281, 38090, 41899, 43950, 48345, 57135, 58014, 64350, 65925, 68562, 80575, 83798, 95225, 96690, 114270, 125697, 131850, 145035, 161150, 171405, 190450, 209495, 241725, 251394, 285675, 290070, 342810, 377091, 418990, 483450, 571350, 628485, 725175, 754182, 857025, 1047475, 1256970, 1450350, 1714050, 1885455, 2094950, 3142425, 3770910, 6284850, 9427275, 18854550]

約数ペア:

[(1, 18854550), (2, 9427275), (3, 6284850), (5, 3770910), (6, 3142425), (9, 2094950), (10, 1885455), (11, 1714050), (13, 1450350), (15, 1256970), (18, 1047475), (22, 857025), (25, 754182), (26, 725175), (30, 628485), (33, 571350), (39, 483450), (45, 418990), (50, 377091), (55, 342810), (65, 290070), (66, 285675), (75, 251394), (78, 241725), (90, 209495), (99, 190450), (110, 171405), (117, 161150), (130, 145035), (143, 131850), (150, 125697), (165, 114270), (195, 96690), (198, 95225), (225, 83798), (234, 80575), (275, 68562), (286, 65925), (293, 64350), (325, 58014), (330, 57135), (390, 48345), (429, 43950), (450, 41899), (495, 38090), (550, 34281), (585, 32230), (586, 32175), (650, 29007), (715, 26370), (825, 22854), (858, 21975), (879, 21450), (975, 19338), (990, 19045), (1170, 16115), (1287, 14650), (1430, 13185), (1465, 12870), (1650, 11427), (1758, 10725), (1950, 9669), (2145, 8790), (2475, 7618), (2574, 7325), (2637, 7150), (2925, 6446), (2930, 6435), (3223, 5850), (3575, 5274), (3809, 4950), (4290, 4395)]