19616418

素因数分解:

$2^1\times 3^5\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 44518656

約数和(自身を除く): 24902238

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 181, 223, 243, 362, 446, 486, 543, 669, 1086, 1338, 1629, 2007, 3258, 4014, 4887, 6021, 9774, 12042, 14661, 18063, 29322, 36126, 40363, 43983, 54189, 80726, 87966, 108378, 121089, 242178, 363267, 726534, 1089801, 2179602, 3269403, 6538806, 9808209, 19616418]

約数ペア:

[(1, 19616418), (2, 9808209), (3, 6538806), (6, 3269403), (9, 2179602), (18, 1089801), (27, 726534), (54, 363267), (81, 242178), (162, 121089), (181, 108378), (223, 87966), (243, 80726), (362, 54189), (446, 43983), (486, 40363), (543, 36126), (669, 29322), (1086, 18063), (1338, 14661), (1629, 12042), (2007, 9774), (3258, 6021), (4014, 4887)]