16898980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6353}}^1$

素因数の和:6388

約数の個数: 48

約数和(自身を含む): 42698880

約数和(自身を除く): 25799900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6353, 12706, 25412, 31765, 44471, 63530, 88942, 120707, 127060, 177884, 222355, 241414, 444710, 482828, 603535, 844949, 889420, 1207070, 1689898, 2414140, 3379796, 4224745, 8449490, 16898980]

約数ペア:

[(1, 16898980), (2, 8449490), (4, 4224745), (5, 3379796), (7, 2414140), (10, 1689898), (14, 1207070), (19, 889420), (20, 844949), (28, 603535), (35, 482828), (38, 444710), (70, 241414), (76, 222355), (95, 177884), (133, 127060), (140, 120707), (190, 88942), (266, 63530), (380, 44471), (532, 31765), (665, 25412), (1330, 12706), (2660, 6353)]