19558890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 55757520

約数和(自身を除く): 36198630

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 73, 78, 90, 117, 130, 146, 195, 219, 229, 234, 365, 390, 438, 458, 585, 657, 687, 730, 949, 1095, 1145, 1170, 1314, 1374, 1898, 2061, 2190, 2290, 2847, 2977, 3285, 3435, 4122, 4745, 5694, 5954, 6570, 6870, 8541, 8931, 9490, 10305, 14235, 14885, 16717, 17082, 17862, 20610, 26793, 28470, 29770, 33434, 42705, 44655, 50151, 53586, 83585, 85410, 89310, 100302, 133965, 150453, 167170, 217321, 250755, 267930, 300906, 434642, 501510, 651963, 752265, 1086605, 1303926, 1504530, 1955889, 2173210, 3259815, 3911778, 6519630, 9779445, 19558890]

約数ペア:

[(1, 19558890), (2, 9779445), (3, 6519630), (5, 3911778), (6, 3259815), (9, 2173210), (10, 1955889), (13, 1504530), (15, 1303926), (18, 1086605), (26, 752265), (30, 651963), (39, 501510), (45, 434642), (65, 300906), (73, 267930), (78, 250755), (90, 217321), (117, 167170), (130, 150453), (146, 133965), (195, 100302), (219, 89310), (229, 85410), (234, 83585), (365, 53586), (390, 50151), (438, 44655), (458, 42705), (585, 33434), (657, 29770), (687, 28470), (730, 26793), (949, 20610), (1095, 17862), (1145, 17082), (1170, 16717), (1314, 14885), (1374, 14235), (1898, 10305), (2061, 9490), (2190, 8931), (2290, 8541), (2847, 6870), (2977, 6570), (3285, 5954), (3435, 5694), (4122, 4745)]