19576180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 48432384

約数和(自身を除く): 28856204

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 43, 52, 65, 68, 85, 86, 103, 130, 170, 172, 206, 215, 221, 260, 340, 412, 430, 442, 515, 559, 731, 860, 884, 1030, 1105, 1118, 1339, 1462, 1751, 2060, 2210, 2236, 2678, 2795, 2924, 3502, 3655, 4420, 4429, 5356, 5590, 6695, 7004, 7310, 8755, 8858, 9503, 11180, 13390, 14620, 17510, 17716, 19006, 22145, 22763, 26780, 35020, 38012, 44290, 45526, 47515, 57577, 75293, 88580, 91052, 95030, 113815, 115154, 150586, 190060, 227630, 230308, 287885, 301172, 376465, 455260, 575770, 752930, 978809, 1151540, 1505860, 1957618, 3915236, 4894045, 9788090, 19576180]

約数ペア:

[(1, 19576180), (2, 9788090), (4, 4894045), (5, 3915236), (10, 1957618), (13, 1505860), (17, 1151540), (20, 978809), (26, 752930), (34, 575770), (43, 455260), (52, 376465), (65, 301172), (68, 287885), (85, 230308), (86, 227630), (103, 190060), (130, 150586), (170, 115154), (172, 113815), (206, 95030), (215, 91052), (221, 88580), (260, 75293), (340, 57577), (412, 47515), (430, 45526), (442, 44290), (515, 38012), (559, 35020), (731, 26780), (860, 22763), (884, 22145), (1030, 19006), (1105, 17716), (1118, 17510), (1339, 14620), (1462, 13390), (1751, 11180), (2060, 9503), (2210, 8858), (2236, 8755), (2678, 7310), (2795, 7004), (2924, 6695), (3502, 5590), (3655, 5356), (4420, 4429)]