19151180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 46448640

約数和(自身を除く): 27297460

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 31, 34, 46, 62, 68, 79, 85, 92, 115, 124, 155, 158, 170, 230, 310, 316, 340, 391, 395, 460, 527, 620, 713, 782, 790, 1054, 1343, 1426, 1564, 1580, 1817, 1955, 2108, 2449, 2635, 2686, 2852, 3565, 3634, 3910, 4898, 5270, 5372, 6715, 7130, 7268, 7820, 9085, 9796, 10540, 12121, 12245, 13430, 14260, 18170, 24242, 24490, 26860, 30889, 36340, 41633, 48484, 48980, 56327, 60605, 61778, 83266, 112654, 121210, 123556, 154445, 166532, 208165, 225308, 242420, 281635, 308890, 416330, 563270, 617780, 832660, 957559, 1126540, 1915118, 3830236, 4787795, 9575590, 19151180]

約数ペア:

[(1, 19151180), (2, 9575590), (4, 4787795), (5, 3830236), (10, 1915118), (17, 1126540), (20, 957559), (23, 832660), (31, 617780), (34, 563270), (46, 416330), (62, 308890), (68, 281635), (79, 242420), (85, 225308), (92, 208165), (115, 166532), (124, 154445), (155, 123556), (158, 121210), (170, 112654), (230, 83266), (310, 61778), (316, 60605), (340, 56327), (391, 48980), (395, 48484), (460, 41633), (527, 36340), (620, 30889), (713, 26860), (782, 24490), (790, 24242), (1054, 18170), (1343, 14260), (1426, 13430), (1564, 12245), (1580, 12121), (1817, 10540), (1955, 9796), (2108, 9085), (2449, 7820), (2635, 7268), (2686, 7130), (2852, 6715), (3565, 5372), (3634, 5270), (3910, 4898)]