19874250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{73}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 59878728

約数和(自身を除く): 40004478

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 73, 75, 90, 99, 110, 121, 125, 146, 150, 165, 198, 219, 225, 242, 250, 275, 330, 363, 365, 375, 438, 450, 495, 550, 605, 657, 726, 730, 750, 803, 825, 990, 1089, 1095, 1125, 1210, 1314, 1375, 1606, 1650, 1815, 1825, 2178, 2190, 2250, 2409, 2475, 2750, 3025, 3285, 3630, 3650, 4015, 4125, 4818, 4950, 5445, 5475, 6050, 6570, 7227, 8030, 8250, 8833, 9075, 9125, 10890, 10950, 12045, 12375, 14454, 15125, 16425, 17666, 18150, 18250, 20075, 24090, 24750, 26499, 27225, 27375, 30250, 32850, 36135, 40150, 44165, 45375, 52998, 54450, 54750, 60225, 72270, 79497, 82125, 88330, 90750, 100375, 120450, 132495, 136125, 158994, 164250, 180675, 200750, 220825, 264990, 272250, 301125, 361350, 397485, 441650, 602250, 662475, 794970, 903375, 1104125, 1324950, 1806750, 1987425, 2208250, 3312375, 3974850, 6624750, 9937125, 19874250]

約数ペア:

[(1, 19874250), (2, 9937125), (3, 6624750), (5, 3974850), (6, 3312375), (9, 2208250), (10, 1987425), (11, 1806750), (15, 1324950), (18, 1104125), (22, 903375), (25, 794970), (30, 662475), (33, 602250), (45, 441650), (50, 397485), (55, 361350), (66, 301125), (73, 272250), (75, 264990), (90, 220825), (99, 200750), (110, 180675), (121, 164250), (125, 158994), (146, 136125), (150, 132495), (165, 120450), (198, 100375), (219, 90750), (225, 88330), (242, 82125), (250, 79497), (275, 72270), (330, 60225), (363, 54750), (365, 54450), (375, 52998), (438, 45375), (450, 44165), (495, 40150), (550, 36135), (605, 32850), (657, 30250), (726, 27375), (730, 27225), (750, 26499), (803, 24750), (825, 24090), (990, 20075), (1089, 18250), (1095, 18150), (1125, 17666), (1210, 16425), (1314, 15125), (1375, 14454), (1606, 12375), (1650, 12045), (1815, 10950), (1825, 10890), (2178, 9125), (2190, 9075), (2250, 8833), (2409, 8250), (2475, 8030), (2750, 7227), (3025, 6570), (3285, 6050), (3630, 5475), (3650, 5445), (4015, 4950), (4125, 4818)]