19087020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5581}}^1$

素因数の和:5615

約数の個数: 72

約数和(自身を含む): 60955440

約数和(自身を除く): 41868420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5581, 11162, 16743, 22324, 27905, 33486, 50229, 55810, 66972, 83715, 100458, 106039, 111620, 167430, 200916, 212078, 251145, 318117, 334860, 424156, 502290, 530195, 636234, 954351, 1004580, 1060390, 1272468, 1590585, 1908702, 2120780, 3181170, 3817404, 4771755, 6362340, 9543510, 19087020]

約数ペア:

[(1, 19087020), (2, 9543510), (3, 6362340), (4, 4771755), (5, 3817404), (6, 3181170), (9, 2120780), (10, 1908702), (12, 1590585), (15, 1272468), (18, 1060390), (19, 1004580), (20, 954351), (30, 636234), (36, 530195), (38, 502290), (45, 424156), (57, 334860), (60, 318117), (76, 251145), (90, 212078), (95, 200916), (114, 167430), (171, 111620), (180, 106039), (190, 100458), (228, 83715), (285, 66972), (342, 55810), (380, 50229), (570, 33486), (684, 27905), (855, 22324), (1140, 16743), (1710, 11162), (3420, 5581)]