18651996

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 56434560

約数和(自身を除く): 37782564

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 37, 38, 44, 57, 66, 67, 74, 76, 99, 111, 114, 132, 134, 148, 171, 198, 201, 209, 222, 228, 268, 333, 342, 396, 402, 407, 418, 444, 603, 627, 666, 684, 703, 737, 804, 814, 836, 1206, 1221, 1254, 1273, 1332, 1406, 1474, 1628, 1881, 2109, 2211, 2412, 2442, 2479, 2508, 2546, 2812, 2948, 3663, 3762, 3819, 4218, 4422, 4884, 4958, 5092, 6327, 6633, 7326, 7437, 7524, 7638, 7733, 8436, 8844, 9916, 11457, 12654, 13266, 14003, 14652, 14874, 15276, 15466, 22311, 22914, 23199, 25308, 26532, 27269, 28006, 29748, 30932, 42009, 44622, 45828, 46398, 47101, 54538, 56012, 69597, 81807, 84018, 89244, 92796, 94202, 109076, 126027, 139194, 141303, 163614, 168036, 188404, 245421, 252054, 278388, 282606, 327228, 423909, 490842, 504108, 518111, 565212, 847818, 981684, 1036222, 1554333, 1695636, 2072444, 3108666, 4662999, 6217332, 9325998, 18651996]

約数ペア:

[(1, 18651996), (2, 9325998), (3, 6217332), (4, 4662999), (6, 3108666), (9, 2072444), (11, 1695636), (12, 1554333), (18, 1036222), (19, 981684), (22, 847818), (33, 565212), (36, 518111), (37, 504108), (38, 490842), (44, 423909), (57, 327228), (66, 282606), (67, 278388), (74, 252054), (76, 245421), (99, 188404), (111, 168036), (114, 163614), (132, 141303), (134, 139194), (148, 126027), (171, 109076), (198, 94202), (201, 92796), (209, 89244), (222, 84018), (228, 81807), (268, 69597), (333, 56012), (342, 54538), (396, 47101), (402, 46398), (407, 45828), (418, 44622), (444, 42009), (603, 30932), (627, 29748), (666, 28006), (684, 27269), (703, 26532), (737, 25308), (804, 23199), (814, 22914), (836, 22311), (1206, 15466), (1221, 15276), (1254, 14874), (1273, 14652), (1332, 14003), (1406, 13266), (1474, 12654), (1628, 11457), (1881, 9916), (2109, 8844), (2211, 8436), (2412, 7733), (2442, 7638), (2479, 7524), (2508, 7437), (2546, 7326), (2812, 6633), (2948, 6327), (3663, 5092), (3762, 4958), (3819, 4884), (4218, 4422)]