18666990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1471}}^1$

素因数の和:1534

約数の個数: 64

約数和(自身を含む): 50872320

約数和(自身を除く): 32205330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 90, 94, 135, 141, 235, 270, 282, 423, 470, 705, 846, 1269, 1410, 1471, 2115, 2538, 2942, 4230, 4413, 6345, 7355, 8826, 12690, 13239, 14710, 22065, 26478, 39717, 44130, 66195, 69137, 79434, 132390, 138274, 198585, 207411, 345685, 397170, 414822, 622233, 691370, 1037055, 1244466, 1866699, 2074110, 3111165, 3733398, 6222330, 9333495, 18666990]

約数ペア:

[(1, 18666990), (2, 9333495), (3, 6222330), (5, 3733398), (6, 3111165), (9, 2074110), (10, 1866699), (15, 1244466), (18, 1037055), (27, 691370), (30, 622233), (45, 414822), (47, 397170), (54, 345685), (90, 207411), (94, 198585), (135, 138274), (141, 132390), (235, 79434), (270, 69137), (282, 66195), (423, 44130), (470, 39717), (705, 26478), (846, 22065), (1269, 14710), (1410, 13239), (1471, 12690), (2115, 8826), (2538, 7355), (2942, 6345), (4230, 4413)]