18961530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{12899}}^1$

素因数の和:12923

約数の個数: 48

約数和(自身を含む): 52941600

約数和(自身を除く): 33980070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 12899, 25798, 38697, 64495, 77394, 90293, 128990, 180586, 193485, 270879, 386970, 451465, 541758, 632051, 902930, 1264102, 1354395, 1896153, 2708790, 3160255, 3792306, 6320510, 9480765, 18961530]

約数ペア:

[(1, 18961530), (2, 9480765), (3, 6320510), (5, 3792306), (6, 3160255), (7, 2708790), (10, 1896153), (14, 1354395), (15, 1264102), (21, 902930), (30, 632051), (35, 541758), (42, 451465), (49, 386970), (70, 270879), (98, 193485), (105, 180586), (147, 128990), (210, 90293), (245, 77394), (294, 64495), (490, 38697), (735, 25798), (1470, 12899)]