18821550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 144

約数和(自身を含む): 55215216

約数和(自身を除く): 36393666

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 25, 30, 33, 34, 50, 51, 55, 61, 66, 75, 85, 102, 110, 121, 122, 150, 165, 170, 183, 187, 242, 255, 275, 305, 330, 363, 366, 374, 425, 510, 550, 561, 605, 610, 671, 726, 825, 850, 915, 935, 1037, 1122, 1210, 1275, 1342, 1525, 1650, 1815, 1830, 1870, 2013, 2057, 2074, 2550, 2805, 3025, 3050, 3111, 3355, 3630, 4026, 4114, 4575, 4675, 5185, 5610, 6050, 6171, 6222, 6710, 7381, 9075, 9150, 9350, 10065, 10285, 10370, 11407, 12342, 14025, 14762, 15555, 16775, 18150, 20130, 20570, 22143, 22814, 25925, 28050, 30855, 31110, 33550, 34221, 36905, 44286, 50325, 51425, 51850, 57035, 61710, 68442, 73810, 77775, 100650, 102850, 110715, 114070, 125477, 154275, 155550, 171105, 184525, 221430, 250954, 285175, 308550, 342210, 369050, 376431, 553575, 570350, 627385, 752862, 855525, 1107150, 1254770, 1711050, 1882155, 3136925, 3764310, 6273850, 9410775, 18821550]

約数ペア:

[(1, 18821550), (2, 9410775), (3, 6273850), (5, 3764310), (6, 3136925), (10, 1882155), (11, 1711050), (15, 1254770), (17, 1107150), (22, 855525), (25, 752862), (30, 627385), (33, 570350), (34, 553575), (50, 376431), (51, 369050), (55, 342210), (61, 308550), (66, 285175), (75, 250954), (85, 221430), (102, 184525), (110, 171105), (121, 155550), (122, 154275), (150, 125477), (165, 114070), (170, 110715), (183, 102850), (187, 100650), (242, 77775), (255, 73810), (275, 68442), (305, 61710), (330, 57035), (363, 51850), (366, 51425), (374, 50325), (425, 44286), (510, 36905), (550, 34221), (561, 33550), (605, 31110), (610, 30855), (671, 28050), (726, 25925), (825, 22814), (850, 22143), (915, 20570), (935, 20130), (1037, 18150), (1122, 16775), (1210, 15555), (1275, 14762), (1342, 14025), (1525, 12342), (1650, 11407), (1815, 10370), (1830, 10285), (1870, 10065), (2013, 9350), (2057, 9150), (2074, 9075), (2550, 7381), (2805, 6710), (3025, 6222), (3050, 6171), (3111, 6050), (3355, 5610), (3630, 5185), (4026, 4675), (4114, 4575)]