2019191910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1\times {\mathrm{3989}}^1$

素因数の和:4405

約数の個数: 64

約数和(自身を含む): 4964198400

約数和(自身を除く): 2945006490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 359, 470, 705, 718, 1077, 1410, 1795, 2154, 3590, 3989, 5385, 7978, 10770, 11967, 16873, 19945, 23934, 33746, 39890, 50619, 59835, 84365, 101238, 119670, 168730, 187483, 253095, 374966, 506190, 562449, 937415, 1124898, 1432051, 1874830, 2812245, 2864102, 4296153, 5624490, 7160255, 8592306, 14320510, 21480765, 42961530, 67306397, 134612794, 201919191, 336531985, 403838382, 673063970, 1009595955, 2019191910]

約数ペア:

[(1, 2019191910), (2, 1009595955), (3, 673063970), (5, 403838382), (6, 336531985), (10, 201919191), (15, 134612794), (30, 67306397), (47, 42961530), (94, 21480765), (141, 14320510), (235, 8592306), (282, 7160255), (359, 5624490), (470, 4296153), (705, 2864102), (718, 2812245), (1077, 1874830), (1410, 1432051), (1795, 1124898), (2154, 937415), (3590, 562449), (3989, 506190), (5385, 374966), (7978, 253095), (10770, 187483), (11967, 168730), (16873, 119670), (19945, 101238), (23934, 84365), (33746, 59835), (39890, 50619)]