19299140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 48263040

約数和(自身を除く): 28963900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 419, 470, 490, 658, 838, 940, 980, 1316, 1645, 1676, 2095, 2303, 2933, 3290, 4190, 4606, 5866, 6580, 8380, 9212, 11515, 11732, 14665, 19693, 20531, 23030, 29330, 39386, 41062, 46060, 58660, 78772, 82124, 98465, 102655, 137851, 196930, 205310, 275702, 393860, 410620, 551404, 689255, 964957, 1378510, 1929914, 2757020, 3859828, 4824785, 9649570, 19299140]

約数ペア:

[(1, 19299140), (2, 9649570), (4, 4824785), (5, 3859828), (7, 2757020), (10, 1929914), (14, 1378510), (20, 964957), (28, 689255), (35, 551404), (47, 410620), (49, 393860), (70, 275702), (94, 205310), (98, 196930), (140, 137851), (188, 102655), (196, 98465), (235, 82124), (245, 78772), (329, 58660), (419, 46060), (470, 41062), (490, 39386), (658, 29330), (838, 23030), (940, 20531), (980, 19693), (1316, 14665), (1645, 11732), (1676, 11515), (2095, 9212), (2303, 8380), (2933, 6580), (3290, 5866), (4190, 4606)]