19148868

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{467}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 52127712

約数和(自身を除く): 32978844

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 67, 68, 102, 134, 153, 201, 204, 268, 306, 402, 467, 603, 612, 804, 934, 1139, 1206, 1401, 1868, 2278, 2412, 2802, 3417, 4203, 4556, 5604, 6834, 7939, 8406, 10251, 13668, 15878, 16812, 20502, 23817, 31289, 31756, 41004, 47634, 62578, 71451, 93867, 95268, 125156, 142902, 187734, 281601, 285804, 375468, 531913, 563202, 1063826, 1126404, 1595739, 2127652, 3191478, 4787217, 6382956, 9574434, 19148868]

約数ペア:

[(1, 19148868), (2, 9574434), (3, 6382956), (4, 4787217), (6, 3191478), (9, 2127652), (12, 1595739), (17, 1126404), (18, 1063826), (34, 563202), (36, 531913), (51, 375468), (67, 285804), (68, 281601), (102, 187734), (134, 142902), (153, 125156), (201, 95268), (204, 93867), (268, 71451), (306, 62578), (402, 47634), (467, 41004), (603, 31756), (612, 31289), (804, 23817), (934, 20502), (1139, 16812), (1206, 15878), (1401, 13668), (1868, 10251), (2278, 8406), (2412, 7939), (2802, 6834), (3417, 5604), (4203, 4556)]