18867660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{269}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 42096180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 167, 210, 269, 334, 420, 501, 538, 668, 807, 835, 1002, 1076, 1169, 1345, 1614, 1670, 1883, 2004, 2338, 2505, 2690, 3228, 3340, 3507, 3766, 4035, 4676, 5010, 5380, 5649, 5845, 7014, 7532, 8070, 9415, 10020, 11298, 11690, 14028, 16140, 17535, 18830, 22596, 23380, 28245, 35070, 37660, 44923, 56490, 70140, 89846, 112980, 134769, 179692, 224615, 269538, 314461, 449230, 539076, 628922, 673845, 898460, 943383, 1257844, 1347690, 1572305, 1886766, 2695380, 3144610, 3773532, 4716915, 6289220, 9433830, 18867660]

約数ペア:

[(1, 18867660), (2, 9433830), (3, 6289220), (4, 4716915), (5, 3773532), (6, 3144610), (7, 2695380), (10, 1886766), (12, 1572305), (14, 1347690), (15, 1257844), (20, 943383), (21, 898460), (28, 673845), (30, 628922), (35, 539076), (42, 449230), (60, 314461), (70, 269538), (84, 224615), (105, 179692), (140, 134769), (167, 112980), (210, 89846), (269, 70140), (334, 56490), (420, 44923), (501, 37660), (538, 35070), (668, 28245), (807, 23380), (835, 22596), (1002, 18830), (1076, 17535), (1169, 16140), (1345, 14028), (1614, 11690), (1670, 11298), (1883, 10020), (2004, 9415), (2338, 8070), (2505, 7532), (2690, 7014), (3228, 5845), (3340, 5649), (3507, 5380), (3766, 5010), (4035, 4676)]