19439316

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{569}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 53737320

約数和(自身を除く): 34298004

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 73, 78, 117, 146, 156, 219, 234, 292, 438, 468, 569, 657, 876, 949, 1138, 1314, 1707, 1898, 2276, 2628, 2847, 3414, 3796, 5121, 5694, 6828, 7397, 8541, 10242, 11388, 14794, 17082, 20484, 22191, 29588, 34164, 41537, 44382, 66573, 83074, 88764, 124611, 133146, 166148, 249222, 266292, 373833, 498444, 539981, 747666, 1079962, 1495332, 1619943, 2159924, 3239886, 4859829, 6479772, 9719658, 19439316]

約数ペア:

[(1, 19439316), (2, 9719658), (3, 6479772), (4, 4859829), (6, 3239886), (9, 2159924), (12, 1619943), (13, 1495332), (18, 1079962), (26, 747666), (36, 539981), (39, 498444), (52, 373833), (73, 266292), (78, 249222), (117, 166148), (146, 133146), (156, 124611), (219, 88764), (234, 83074), (292, 66573), (438, 44382), (468, 41537), (569, 34164), (657, 29588), (876, 22191), (949, 20484), (1138, 17082), (1314, 14794), (1707, 11388), (1898, 10242), (2276, 8541), (2628, 7397), (2847, 6828), (3414, 5694), (3796, 5121)]