19646220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 64366848

約数和(自身を除く): 44720628

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, 102, 103, 110, 132, 165, 170, 187, 204, 206, 220, 255, 289, 309, 330, 340, 374, 412, 510, 515, 561, 578, 618, 660, 748, 867, 935, 1020, 1030, 1122, 1133, 1156, 1236, 1445, 1545, 1734, 1751, 1870, 2060, 2244, 2266, 2805, 2890, 3090, 3179, 3399, 3468, 3502, 3740, 4335, 4532, 5253, 5610, 5665, 5780, 6180, 6358, 6798, 7004, 8670, 8755, 9537, 10506, 11220, 11330, 12716, 13596, 15895, 16995, 17340, 17510, 19074, 19261, 21012, 22660, 26265, 29767, 31790, 33990, 35020, 38148, 38522, 47685, 52530, 57783, 59534, 63580, 67980, 77044, 89301, 95370, 96305, 105060, 115566, 119068, 148835, 178602, 190740, 192610, 231132, 288915, 297670, 327437, 357204, 385220, 446505, 577830, 595340, 654874, 893010, 982311, 1155660, 1309748, 1637185, 1786020, 1964622, 3274370, 3929244, 4911555, 6548740, 9823110, 19646220]

約数ペア:

[(1, 19646220), (2, 9823110), (3, 6548740), (4, 4911555), (5, 3929244), (6, 3274370), (10, 1964622), (11, 1786020), (12, 1637185), (15, 1309748), (17, 1155660), (20, 982311), (22, 893010), (30, 654874), (33, 595340), (34, 577830), (44, 446505), (51, 385220), (55, 357204), (60, 327437), (66, 297670), (68, 288915), (85, 231132), (102, 192610), (103, 190740), (110, 178602), (132, 148835), (165, 119068), (170, 115566), (187, 105060), (204, 96305), (206, 95370), (220, 89301), (255, 77044), (289, 67980), (309, 63580), (330, 59534), (340, 57783), (374, 52530), (412, 47685), (510, 38522), (515, 38148), (561, 35020), (578, 33990), (618, 31790), (660, 29767), (748, 26265), (867, 22660), (935, 21012), (1020, 19261), (1030, 19074), (1122, 17510), (1133, 17340), (1156, 16995), (1236, 15895), (1445, 13596), (1545, 12716), (1734, 11330), (1751, 11220), (1870, 10506), (2060, 9537), (2244, 8755), (2266, 8670), (2805, 7004), (2890, 6798), (3090, 6358), (3179, 6180), (3399, 5780), (3468, 5665), (3502, 5610), (3740, 5253), (4335, 4532)]