18501780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 60653376

約数和(自身を除く): 42151596

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 97, 102, 110, 132, 165, 170, 187, 194, 204, 220, 255, 289, 291, 330, 340, 374, 388, 485, 510, 561, 578, 582, 660, 748, 867, 935, 970, 1020, 1067, 1122, 1156, 1164, 1445, 1455, 1649, 1734, 1870, 1940, 2134, 2244, 2805, 2890, 2910, 3179, 3201, 3298, 3468, 3740, 4268, 4335, 4947, 5335, 5610, 5780, 5820, 6358, 6402, 6596, 8245, 8670, 9537, 9894, 10670, 11220, 12716, 12804, 15895, 16005, 16490, 17340, 18139, 19074, 19788, 21340, 24735, 28033, 31790, 32010, 32980, 36278, 38148, 47685, 49470, 54417, 56066, 63580, 64020, 72556, 84099, 90695, 95370, 98940, 108834, 112132, 140165, 168198, 181390, 190740, 217668, 272085, 280330, 308363, 336396, 362780, 420495, 544170, 560660, 616726, 840990, 925089, 1088340, 1233452, 1541815, 1681980, 1850178, 3083630, 3700356, 4625445, 6167260, 9250890, 18501780]

約数ペア:

[(1, 18501780), (2, 9250890), (3, 6167260), (4, 4625445), (5, 3700356), (6, 3083630), (10, 1850178), (11, 1681980), (12, 1541815), (15, 1233452), (17, 1088340), (20, 925089), (22, 840990), (30, 616726), (33, 560660), (34, 544170), (44, 420495), (51, 362780), (55, 336396), (60, 308363), (66, 280330), (68, 272085), (85, 217668), (97, 190740), (102, 181390), (110, 168198), (132, 140165), (165, 112132), (170, 108834), (187, 98940), (194, 95370), (204, 90695), (220, 84099), (255, 72556), (289, 64020), (291, 63580), (330, 56066), (340, 54417), (374, 49470), (388, 47685), (485, 38148), (510, 36278), (561, 32980), (578, 32010), (582, 31790), (660, 28033), (748, 24735), (867, 21340), (935, 19788), (970, 19074), (1020, 18139), (1067, 17340), (1122, 16490), (1156, 16005), (1164, 15895), (1445, 12804), (1455, 12716), (1649, 11220), (1734, 10670), (1870, 9894), (1940, 9537), (2134, 8670), (2244, 8245), (2805, 6596), (2890, 6402), (2910, 6358), (3179, 5820), (3201, 5780), (3298, 5610), (3468, 5335), (3740, 4947), (4268, 4335)]