18031832

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 128

約数和(自身を含む): 46448640

約数和(自身を除く): 28416808

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 31, 34, 47, 52, 56, 62, 68, 91, 94, 104, 119, 124, 136, 182, 188, 217, 221, 238, 248, 329, 364, 376, 403, 434, 442, 476, 527, 611, 658, 728, 799, 806, 868, 884, 952, 1054, 1222, 1316, 1457, 1547, 1598, 1612, 1736, 1768, 2108, 2444, 2632, 2821, 2914, 3094, 3196, 3224, 3689, 4216, 4277, 4888, 5593, 5642, 5828, 6188, 6392, 6851, 7378, 8554, 10199, 10387, 11186, 11284, 11656, 12376, 13702, 14756, 17108, 18941, 20398, 20774, 22372, 22568, 24769, 27404, 29512, 34216, 37882, 40796, 41548, 44744, 47957, 49538, 54808, 72709, 75764, 81592, 83096, 95914, 99076, 132587, 145418, 151528, 173383, 191828, 198152, 265174, 290836, 321997, 346766, 383656, 530348, 581672, 643994, 693532, 1060696, 1287988, 1387064, 2253979, 2575976, 4507958, 9015916, 18031832]

約数ペア:

[(1, 18031832), (2, 9015916), (4, 4507958), (7, 2575976), (8, 2253979), (13, 1387064), (14, 1287988), (17, 1060696), (26, 693532), (28, 643994), (31, 581672), (34, 530348), (47, 383656), (52, 346766), (56, 321997), (62, 290836), (68, 265174), (91, 198152), (94, 191828), (104, 173383), (119, 151528), (124, 145418), (136, 132587), (182, 99076), (188, 95914), (217, 83096), (221, 81592), (238, 75764), (248, 72709), (329, 54808), (364, 49538), (376, 47957), (403, 44744), (434, 41548), (442, 40796), (476, 37882), (527, 34216), (611, 29512), (658, 27404), (728, 24769), (799, 22568), (806, 22372), (868, 20774), (884, 20398), (952, 18941), (1054, 17108), (1222, 14756), (1316, 13702), (1457, 12376), (1547, 11656), (1598, 11284), (1612, 11186), (1736, 10387), (1768, 10199), (2108, 8554), (2444, 7378), (2632, 6851), (2821, 6392), (2914, 6188), (3094, 5828), (3196, 5642), (3224, 5593), (3689, 4888), (4216, 4277)]