19469240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2243}}^1$

素因数の和:2292

約数の個数: 64

約数和(自身を含む): 51701760

約数和(自身を除く): 32232520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 2243, 4340, 4486, 8680, 8972, 11215, 15701, 17944, 22430, 31402, 44860, 62804, 69533, 78505, 89720, 125608, 139066, 157010, 278132, 314020, 347665, 486731, 556264, 628040, 695330, 973462, 1390660, 1946924, 2433655, 2781320, 3893848, 4867310, 9734620, 19469240]

約数ペア:

[(1, 19469240), (2, 9734620), (4, 4867310), (5, 3893848), (7, 2781320), (8, 2433655), (10, 1946924), (14, 1390660), (20, 973462), (28, 695330), (31, 628040), (35, 556264), (40, 486731), (56, 347665), (62, 314020), (70, 278132), (124, 157010), (140, 139066), (155, 125608), (217, 89720), (248, 78505), (280, 69533), (310, 62804), (434, 44860), (620, 31402), (868, 22430), (1085, 17944), (1240, 15701), (1736, 11215), (2170, 8972), (2243, 8680), (4340, 4486)]