19412460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:565

約数の個数: 120

約数和(自身を含む): 63667296

約数和(自身を除く): 44254836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 270, 276, 324, 345, 405, 414, 460, 521, 540, 621, 690, 810, 828, 1035, 1042, 1242, 1380, 1563, 1620, 1863, 2070, 2084, 2484, 2605, 3105, 3126, 3726, 4140, 4689, 5210, 6210, 6252, 7452, 7815, 9315, 9378, 10420, 11983, 12420, 14067, 15630, 18630, 18756, 23445, 23966, 28134, 31260, 35949, 37260, 42201, 46890, 47932, 56268, 59915, 70335, 71898, 84402, 93780, 107847, 119830, 140670, 143796, 168804, 179745, 211005, 215694, 239660, 281340, 323541, 359490, 422010, 431388, 539235, 647082, 718980, 844020, 970623, 1078470, 1294164, 1617705, 1941246, 2156940, 3235410, 3882492, 4853115, 6470820, 9706230, 19412460]

約数ペア:

[(1, 19412460), (2, 9706230), (3, 6470820), (4, 4853115), (5, 3882492), (6, 3235410), (9, 2156940), (10, 1941246), (12, 1617705), (15, 1294164), (18, 1078470), (20, 970623), (23, 844020), (27, 718980), (30, 647082), (36, 539235), (45, 431388), (46, 422010), (54, 359490), (60, 323541), (69, 281340), (81, 239660), (90, 215694), (92, 211005), (108, 179745), (115, 168804), (135, 143796), (138, 140670), (162, 119830), (180, 107847), (207, 93780), (230, 84402), (270, 71898), (276, 70335), (324, 59915), (345, 56268), (405, 47932), (414, 46890), (460, 42201), (521, 37260), (540, 35949), (621, 31260), (690, 28134), (810, 23966), (828, 23445), (1035, 18756), (1042, 18630), (1242, 15630), (1380, 14067), (1563, 12420), (1620, 11983), (1863, 10420), (2070, 9378), (2084, 9315), (2484, 7815), (2605, 7452), (3105, 6252), (3126, 6210), (3726, 5210), (4140, 4689)]