19408976

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:507

約数の個数: 40

約数和(自身を含む): 39283200

約数和(自身を除く): 19874224

約数列:

[1, 2, 4, 8, 16, 31, 62, 109, 124, 218, 248, 359, 436, 496, 718, 872, 1436, 1744, 2872, 3379, 5744, 6758, 11129, 13516, 22258, 27032, 39131, 44516, 54064, 78262, 89032, 156524, 178064, 313048, 626096, 1213061, 2426122, 4852244, 9704488, 19408976]

約数ペア:

[(1, 19408976), (2, 9704488), (4, 4852244), (8, 2426122), (16, 1213061), (31, 626096), (62, 313048), (109, 178064), (124, 156524), (218, 89032), (248, 78262), (359, 54064), (436, 44516), (496, 39131), (718, 27032), (872, 22258), (1436, 13516), (1744, 11129), (2872, 6758), (3379, 5744)]