19876992

素因数分解:

$2^7\times 3^1\times {\mathrm{37}}^1\times {\mathrm{1399}}^1$

素因数の和:1453

約数の個数: 64

約数和(自身を含む): 54264000

約数和(自身を除く): 34387008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 296, 384, 444, 592, 888, 1184, 1399, 1776, 2368, 2798, 3552, 4197, 4736, 5596, 7104, 8394, 11192, 14208, 16788, 22384, 33576, 44768, 51763, 67152, 89536, 103526, 134304, 155289, 179072, 207052, 268608, 310578, 414104, 537216, 621156, 828208, 1242312, 1656416, 2484624, 3312832, 4969248, 6625664, 9938496, 19876992]

約数ペア:

[(1, 19876992), (2, 9938496), (3, 6625664), (4, 4969248), (6, 3312832), (8, 2484624), (12, 1656416), (16, 1242312), (24, 828208), (32, 621156), (37, 537216), (48, 414104), (64, 310578), (74, 268608), (96, 207052), (111, 179072), (128, 155289), (148, 134304), (192, 103526), (222, 89536), (296, 67152), (384, 51763), (444, 44768), (592, 33576), (888, 22384), (1184, 16788), (1399, 14208), (1776, 11192), (2368, 8394), (2798, 7104), (3552, 5596), (4197, 4736)]