18731230

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 40550400

約数和(自身を除く): 21819170

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 127, 215, 245, 254, 301, 343, 430, 490, 602, 635, 686, 889, 1270, 1505, 1715, 1778, 2107, 3010, 3430, 4214, 4445, 5461, 6223, 8890, 10535, 10922, 12446, 14749, 21070, 27305, 29498, 31115, 38227, 43561, 54610, 62230, 73745, 76454, 87122, 147490, 191135, 217805, 267589, 382270, 435610, 535178, 1337945, 1873123, 2675890, 3746246, 9365615, 18731230]

約数ペア:

[(1, 18731230), (2, 9365615), (5, 3746246), (7, 2675890), (10, 1873123), (14, 1337945), (35, 535178), (43, 435610), (49, 382270), (70, 267589), (86, 217805), (98, 191135), (127, 147490), (215, 87122), (245, 76454), (254, 73745), (301, 62230), (343, 54610), (430, 43561), (490, 38227), (602, 31115), (635, 29498), (686, 27305), (889, 21070), (1270, 14749), (1505, 12446), (1715, 10922), (1778, 10535), (2107, 8890), (3010, 6223), (3430, 5461), (4214, 4445)]