19079450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 38669400

約数和(自身を除く): 19589950

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 149, 197, 298, 325, 394, 650, 745, 985, 1490, 1937, 1970, 2561, 3725, 3874, 4925, 5122, 7450, 9685, 9850, 12805, 19370, 25610, 29353, 48425, 58706, 64025, 96850, 128050, 146765, 293530, 381589, 733825, 763178, 1467650, 1907945, 3815890, 9539725, 19079450]

約数ペア:

[(1, 19079450), (2, 9539725), (5, 3815890), (10, 1907945), (13, 1467650), (25, 763178), (26, 733825), (50, 381589), (65, 293530), (130, 146765), (149, 128050), (197, 96850), (298, 64025), (325, 58706), (394, 48425), (650, 29353), (745, 25610), (985, 19370), (1490, 12805), (1937, 9850), (1970, 9685), (2561, 7450), (3725, 5122), (3874, 4925)]