17638956

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 46335744

約数和(自身を除く): 28696788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 71, 103, 134, 142, 201, 206, 213, 268, 284, 309, 402, 412, 426, 603, 618, 639, 804, 852, 927, 1206, 1236, 1278, 1854, 2412, 2556, 3708, 4757, 6901, 7313, 9514, 13802, 14271, 14626, 19028, 20703, 21939, 27604, 28542, 29252, 41406, 42813, 43878, 57084, 62109, 65817, 82812, 85626, 87756, 124218, 131634, 171252, 248436, 263268, 489971, 979942, 1469913, 1959884, 2939826, 4409739, 5879652, 8819478, 17638956]

約数ペア:

[(1, 17638956), (2, 8819478), (3, 5879652), (4, 4409739), (6, 2939826), (9, 1959884), (12, 1469913), (18, 979942), (36, 489971), (67, 263268), (71, 248436), (103, 171252), (134, 131634), (142, 124218), (201, 87756), (206, 85626), (213, 82812), (268, 65817), (284, 62109), (309, 57084), (402, 43878), (412, 42813), (426, 41406), (603, 29252), (618, 28542), (639, 27604), (804, 21939), (852, 20703), (927, 19028), (1206, 14626), (1236, 14271), (1278, 13802), (1854, 9514), (2412, 7313), (2556, 6901), (3708, 4757)]