19530280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:419

約数の個数: 128

約数和(自身を含む): 58164480

約数和(自身を除く): 38634200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 373, 374, 385, 440, 476, 595, 616, 680, 746, 748, 770, 935, 952, 1190, 1309, 1492, 1496, 1540, 1865, 1870, 2380, 2611, 2618, 2984, 3080, 3730, 3740, 4103, 4760, 5222, 5236, 6341, 6545, 7460, 7480, 8206, 10444, 10472, 12682, 13055, 13090, 14920, 16412, 20515, 20888, 25364, 26110, 26180, 28721, 31705, 32824, 41030, 44387, 50728, 52220, 52360, 57442, 63410, 69751, 82060, 88774, 104440, 114884, 126820, 139502, 143605, 164120, 177548, 221935, 229768, 253640, 279004, 287210, 348755, 355096, 443870, 488257, 558008, 574420, 697510, 887740, 976514, 1148840, 1395020, 1775480, 1953028, 2441285, 2790040, 3906056, 4882570, 9765140, 19530280]

約数ペア:

[(1, 19530280), (2, 9765140), (4, 4882570), (5, 3906056), (7, 2790040), (8, 2441285), (10, 1953028), (11, 1775480), (14, 1395020), (17, 1148840), (20, 976514), (22, 887740), (28, 697510), (34, 574420), (35, 558008), (40, 488257), (44, 443870), (55, 355096), (56, 348755), (68, 287210), (70, 279004), (77, 253640), (85, 229768), (88, 221935), (110, 177548), (119, 164120), (136, 143605), (140, 139502), (154, 126820), (170, 114884), (187, 104440), (220, 88774), (238, 82060), (280, 69751), (308, 63410), (340, 57442), (373, 52360), (374, 52220), (385, 50728), (440, 44387), (476, 41030), (595, 32824), (616, 31705), (680, 28721), (746, 26180), (748, 26110), (770, 25364), (935, 20888), (952, 20515), (1190, 16412), (1309, 14920), (1492, 13090), (1496, 13055), (1540, 12682), (1865, 10472), (1870, 10444), (2380, 8206), (2611, 7480), (2618, 7460), (2984, 6545), (3080, 6341), (3730, 5236), (3740, 5222), (4103, 4760)]