19452780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1613}}^1$

素因数の和:1695

約数の個数: 72

約数和(自身を含む): 59924592

約数和(自身を除く): 40471812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 1613, 2010, 2412, 3015, 3226, 4020, 4839, 6030, 6452, 8065, 9678, 12060, 14517, 16130, 19356, 24195, 29034, 32260, 48390, 58068, 72585, 96780, 108071, 145170, 216142, 290340, 324213, 432284, 540355, 648426, 972639, 1080710, 1296852, 1621065, 1945278, 2161420, 3242130, 3890556, 4863195, 6484260, 9726390, 19452780]

約数ペア:

[(1, 19452780), (2, 9726390), (3, 6484260), (4, 4863195), (5, 3890556), (6, 3242130), (9, 2161420), (10, 1945278), (12, 1621065), (15, 1296852), (18, 1080710), (20, 972639), (30, 648426), (36, 540355), (45, 432284), (60, 324213), (67, 290340), (90, 216142), (134, 145170), (180, 108071), (201, 96780), (268, 72585), (335, 58068), (402, 48390), (603, 32260), (670, 29034), (804, 24195), (1005, 19356), (1206, 16130), (1340, 14517), (1613, 12060), (2010, 9678), (2412, 8065), (3015, 6452), (3226, 6030), (4020, 4839)]