19857456

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{3727}}^1$

素因数の和:3778

約数の個数: 60

約数和(自身を含む): 57090592

約数和(自身を除く): 37233136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 3727, 5328, 7454, 11181, 14908, 22362, 29816, 33543, 44724, 59632, 67086, 89448, 134172, 137899, 178896, 268344, 275798, 413697, 536688, 551596, 827394, 1103192, 1241091, 1654788, 2206384, 2482182, 3309576, 4964364, 6619152, 9928728, 19857456]

約数ペア:

[(1, 19857456), (2, 9928728), (3, 6619152), (4, 4964364), (6, 3309576), (8, 2482182), (9, 2206384), (12, 1654788), (16, 1241091), (18, 1103192), (24, 827394), (36, 551596), (37, 536688), (48, 413697), (72, 275798), (74, 268344), (111, 178896), (144, 137899), (148, 134172), (222, 89448), (296, 67086), (333, 59632), (444, 44724), (592, 33543), (666, 29816), (888, 22362), (1332, 14908), (1776, 11181), (2664, 7454), (3727, 5328)]