19031540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 47779200

約数和(自身を除く): 28747660

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 29, 38, 44, 55, 58, 76, 95, 110, 116, 145, 157, 190, 209, 220, 290, 314, 319, 380, 418, 551, 580, 628, 638, 785, 836, 1045, 1102, 1276, 1570, 1595, 1727, 2090, 2204, 2755, 2983, 3140, 3190, 3454, 4180, 4553, 5510, 5966, 6061, 6380, 6908, 8635, 9106, 11020, 11932, 12122, 14915, 17270, 18212, 22765, 24244, 29830, 30305, 32813, 34540, 45530, 50083, 59660, 60610, 65626, 86507, 91060, 100166, 121220, 131252, 164065, 173014, 200332, 250415, 328130, 346028, 432535, 500830, 656260, 865070, 951577, 1001660, 1730140, 1903154, 3806308, 4757885, 9515770, 19031540]

約数ペア:

[(1, 19031540), (2, 9515770), (4, 4757885), (5, 3806308), (10, 1903154), (11, 1730140), (19, 1001660), (20, 951577), (22, 865070), (29, 656260), (38, 500830), (44, 432535), (55, 346028), (58, 328130), (76, 250415), (95, 200332), (110, 173014), (116, 164065), (145, 131252), (157, 121220), (190, 100166), (209, 91060), (220, 86507), (290, 65626), (314, 60610), (319, 59660), (380, 50083), (418, 45530), (551, 34540), (580, 32813), (628, 30305), (638, 29830), (785, 24244), (836, 22765), (1045, 18212), (1102, 17270), (1276, 14915), (1570, 12122), (1595, 11932), (1727, 11020), (2090, 9106), (2204, 8635), (2755, 6908), (2983, 6380), (3140, 6061), (3190, 5966), (3454, 5510), (4180, 4553)]