18757732

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 40134528

約数和(自身を除く): 21376796

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 157, 238, 251, 314, 476, 502, 628, 1004, 1099, 1757, 2198, 2669, 3514, 4267, 4396, 5338, 7028, 8534, 10676, 17068, 18683, 29869, 37366, 39407, 59738, 74732, 78814, 119476, 157628, 275849, 551698, 669919, 1103396, 1339838, 2679676, 4689433, 9378866, 18757732]

約数ペア:

[(1, 18757732), (2, 9378866), (4, 4689433), (7, 2679676), (14, 1339838), (17, 1103396), (28, 669919), (34, 551698), (68, 275849), (119, 157628), (157, 119476), (238, 78814), (251, 74732), (314, 59738), (476, 39407), (502, 37366), (628, 29869), (1004, 18683), (1099, 17068), (1757, 10676), (2198, 8534), (2669, 7028), (3514, 5338), (4267, 4396)]