18434940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 55211520

約数和(自身を除く): 36776580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 103, 114, 157, 190, 206, 228, 285, 309, 314, 380, 412, 471, 515, 570, 618, 628, 785, 942, 1030, 1140, 1236, 1545, 1570, 1884, 1957, 2060, 2355, 2983, 3090, 3140, 3914, 4710, 5871, 5966, 6180, 7828, 8949, 9420, 9785, 11742, 11932, 14915, 16171, 17898, 19570, 23484, 29355, 29830, 32342, 35796, 39140, 44745, 48513, 58710, 59660, 64684, 80855, 89490, 97026, 117420, 161710, 178980, 194052, 242565, 307249, 323420, 485130, 614498, 921747, 970260, 1228996, 1536245, 1843494, 3072490, 3686988, 4608735, 6144980, 9217470, 18434940]

約数ペア:

[(1, 18434940), (2, 9217470), (3, 6144980), (4, 4608735), (5, 3686988), (6, 3072490), (10, 1843494), (12, 1536245), (15, 1228996), (19, 970260), (20, 921747), (30, 614498), (38, 485130), (57, 323420), (60, 307249), (76, 242565), (95, 194052), (103, 178980), (114, 161710), (157, 117420), (190, 97026), (206, 89490), (228, 80855), (285, 64684), (309, 59660), (314, 58710), (380, 48513), (412, 44745), (471, 39140), (515, 35796), (570, 32342), (618, 29830), (628, 29355), (785, 23484), (942, 19570), (1030, 17898), (1140, 16171), (1236, 14915), (1545, 11932), (1570, 11742), (1884, 9785), (1957, 9420), (2060, 8949), (2355, 7828), (2983, 6180), (3090, 5966), (3140, 5871), (3914, 4710)]