19295220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6563}}^1$

素因数の和:6589

約数の個数: 72

約数和(自身を含む): 62856864

約数和(自身を除く): 43561644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6563, 13126, 19689, 26252, 32815, 39378, 45941, 65630, 78756, 91882, 98445, 131260, 137823, 183764, 196890, 229705, 275646, 321587, 393780, 459410, 551292, 643174, 689115, 918820, 964761, 1286348, 1378230, 1607935, 1929522, 2756460, 3215870, 3859044, 4823805, 6431740, 9647610, 19295220]

約数ペア:

[(1, 19295220), (2, 9647610), (3, 6431740), (4, 4823805), (5, 3859044), (6, 3215870), (7, 2756460), (10, 1929522), (12, 1607935), (14, 1378230), (15, 1286348), (20, 964761), (21, 918820), (28, 689115), (30, 643174), (35, 551292), (42, 459410), (49, 393780), (60, 321587), (70, 275646), (84, 229705), (98, 196890), (105, 183764), (140, 137823), (147, 131260), (196, 98445), (210, 91882), (245, 78756), (294, 65630), (420, 45941), (490, 39378), (588, 32815), (735, 26252), (980, 19689), (1470, 13126), (2940, 6563)]