18685795380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{44489989}}^1$

素因数の和:44490008

約数の個数: 48

約数和(自身を含む): 59794546560

約数和(自身を除く): 41108751180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 44489989, 88979978, 133469967, 177959956, 222449945, 266939934, 311429923, 444899890, 533879868, 622859846, 667349835, 889799780, 934289769, 1245719692, 1334699670, 1557149615, 1868579538, 2669399340, 3114299230, 3737159076, 4671448845, 6228598460, 9342897690, 18685795380]

約数ペア:

[(1, 18685795380), (2, 9342897690), (3, 6228598460), (4, 4671448845), (5, 3737159076), (6, 3114299230), (7, 2669399340), (10, 1868579538), (12, 1557149615), (14, 1334699670), (15, 1245719692), (20, 934289769), (21, 889799780), (28, 667349835), (30, 622859846), (35, 533879868), (42, 444899890), (60, 311429923), (70, 266939934), (84, 222449945), (105, 177959956), (140, 133469967), (210, 88979978), (420, 44489989)]