19837020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 64447488

約数和(自身を除く): 44610468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 647, 730, 876, 1022, 1095, 1294, 1460, 1533, 1941, 2044, 2190, 2555, 2588, 3066, 3235, 3882, 4380, 4529, 5110, 6132, 6470, 7665, 7764, 9058, 9705, 10220, 12940, 13587, 15330, 18116, 19410, 22645, 27174, 30660, 38820, 45290, 47231, 54348, 67935, 90580, 94462, 135870, 141693, 188924, 236155, 271740, 283386, 330617, 472310, 566772, 661234, 708465, 944620, 991851, 1322468, 1416930, 1653085, 1983702, 2833860, 3306170, 3967404, 4959255, 6612340, 9918510, 19837020]

約数ペア:

[(1, 19837020), (2, 9918510), (3, 6612340), (4, 4959255), (5, 3967404), (6, 3306170), (7, 2833860), (10, 1983702), (12, 1653085), (14, 1416930), (15, 1322468), (20, 991851), (21, 944620), (28, 708465), (30, 661234), (35, 566772), (42, 472310), (60, 330617), (70, 283386), (73, 271740), (84, 236155), (105, 188924), (140, 141693), (146, 135870), (210, 94462), (219, 90580), (292, 67935), (365, 54348), (420, 47231), (438, 45290), (511, 38820), (647, 30660), (730, 27174), (876, 22645), (1022, 19410), (1095, 18116), (1294, 15330), (1460, 13587), (1533, 12940), (1941, 10220), (2044, 9705), (2190, 9058), (2555, 7764), (2588, 7665), (3066, 6470), (3235, 6132), (3882, 5110), (4380, 4529)]