19474180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 48771072

約数和(自身を除く): 29296892

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 41, 44, 55, 68, 82, 85, 110, 127, 164, 170, 187, 205, 220, 254, 340, 374, 410, 451, 508, 635, 697, 748, 820, 902, 935, 1270, 1394, 1397, 1804, 1870, 2159, 2255, 2540, 2788, 2794, 3485, 3740, 4318, 4510, 5207, 5588, 6970, 6985, 7667, 8636, 9020, 10414, 10795, 13940, 13970, 15334, 20828, 21590, 23749, 26035, 27940, 30668, 38335, 43180, 47498, 52070, 57277, 76670, 88519, 94996, 104140, 114554, 118745, 153340, 177038, 229108, 237490, 286385, 354076, 442595, 474980, 572770, 885190, 973709, 1145540, 1770380, 1947418, 3894836, 4868545, 9737090, 19474180]

約数ペア:

[(1, 19474180), (2, 9737090), (4, 4868545), (5, 3894836), (10, 1947418), (11, 1770380), (17, 1145540), (20, 973709), (22, 885190), (34, 572770), (41, 474980), (44, 442595), (55, 354076), (68, 286385), (82, 237490), (85, 229108), (110, 177038), (127, 153340), (164, 118745), (170, 114554), (187, 104140), (205, 94996), (220, 88519), (254, 76670), (340, 57277), (374, 52070), (410, 47498), (451, 43180), (508, 38335), (635, 30668), (697, 27940), (748, 26035), (820, 23749), (902, 21590), (935, 20828), (1270, 15334), (1394, 13970), (1397, 13940), (1804, 10795), (1870, 10414), (2159, 9020), (2255, 8636), (2540, 7667), (2788, 6985), (2794, 6970), (3485, 5588), (3740, 5207), (4318, 4510)]