19463600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 53277840

約数和(自身を除く): 33814240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 130, 152, 190, 197, 200, 208, 247, 260, 304, 325, 380, 394, 400, 475, 494, 520, 650, 760, 788, 950, 985, 988, 1040, 1235, 1300, 1520, 1576, 1900, 1970, 1976, 2470, 2561, 2600, 3152, 3743, 3800, 3940, 3952, 4925, 4940, 5122, 5200, 6175, 7486, 7600, 7880, 9850, 9880, 10244, 12350, 12805, 14972, 15760, 18715, 19700, 19760, 20488, 24700, 25610, 29944, 37430, 39400, 40976, 48659, 49400, 51220, 59888, 64025, 74860, 78800, 93575, 97318, 98800, 102440, 128050, 149720, 187150, 194636, 204880, 243295, 256100, 299440, 374300, 389272, 486590, 512200, 748600, 778544, 973180, 1024400, 1216475, 1497200, 1946360, 2432950, 3892720, 4865900, 9731800, 19463600]

約数ペア:

[(1, 19463600), (2, 9731800), (4, 4865900), (5, 3892720), (8, 2432950), (10, 1946360), (13, 1497200), (16, 1216475), (19, 1024400), (20, 973180), (25, 778544), (26, 748600), (38, 512200), (40, 486590), (50, 389272), (52, 374300), (65, 299440), (76, 256100), (80, 243295), (95, 204880), (100, 194636), (104, 187150), (130, 149720), (152, 128050), (190, 102440), (197, 98800), (200, 97318), (208, 93575), (247, 78800), (260, 74860), (304, 64025), (325, 59888), (380, 51220), (394, 49400), (400, 48659), (475, 40976), (494, 39400), (520, 37430), (650, 29944), (760, 25610), (788, 24700), (950, 20488), (985, 19760), (988, 19700), (1040, 18715), (1235, 15760), (1300, 14972), (1520, 12805), (1576, 12350), (1900, 10244), (1970, 9880), (1976, 9850), (2470, 7880), (2561, 7600), (2600, 7486), (3152, 6175), (3743, 5200), (3800, 5122), (3940, 4940), (3952, 4925)]