19326020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 49330176

約数和(自身を除く): 30004156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 61, 62, 70, 73, 122, 124, 140, 146, 155, 217, 244, 292, 305, 310, 365, 427, 434, 511, 610, 620, 730, 854, 868, 1022, 1085, 1220, 1460, 1708, 1891, 2044, 2135, 2170, 2263, 2555, 3782, 4270, 4340, 4453, 4526, 5110, 7564, 8540, 8906, 9052, 9455, 10220, 11315, 13237, 15841, 17812, 18910, 22265, 22630, 26474, 31171, 31682, 37820, 44530, 45260, 52948, 62342, 63364, 66185, 79205, 89060, 124684, 132370, 138043, 155855, 158410, 264740, 276086, 311710, 316820, 552172, 623420, 690215, 966301, 1380430, 1932602, 2760860, 3865204, 4831505, 9663010, 19326020]

約数ペア:

[(1, 19326020), (2, 9663010), (4, 4831505), (5, 3865204), (7, 2760860), (10, 1932602), (14, 1380430), (20, 966301), (28, 690215), (31, 623420), (35, 552172), (61, 316820), (62, 311710), (70, 276086), (73, 264740), (122, 158410), (124, 155855), (140, 138043), (146, 132370), (155, 124684), (217, 89060), (244, 79205), (292, 66185), (305, 63364), (310, 62342), (365, 52948), (427, 45260), (434, 44530), (511, 37820), (610, 31682), (620, 31171), (730, 26474), (854, 22630), (868, 22265), (1022, 18910), (1085, 17812), (1220, 15841), (1460, 13237), (1708, 11315), (1891, 10220), (2044, 9455), (2135, 9052), (2170, 8906), (2263, 8540), (2555, 7564), (3782, 5110), (4270, 4526), (4340, 4453)]