18562980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18199}}^1$

素因数の和:18228

約数の個数: 48

約数和(自身を含む): 55036800

約数和(自身を除く): 36473820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 18199, 36398, 54597, 72796, 90995, 109194, 181990, 218388, 272985, 309383, 363980, 545970, 618766, 928149, 1091940, 1237532, 1546915, 1856298, 3093830, 3712596, 4640745, 6187660, 9281490, 18562980]

約数ペア:

[(1, 18562980), (2, 9281490), (3, 6187660), (4, 4640745), (5, 3712596), (6, 3093830), (10, 1856298), (12, 1546915), (15, 1237532), (17, 1091940), (20, 928149), (30, 618766), (34, 545970), (51, 363980), (60, 309383), (68, 272985), (85, 218388), (102, 181990), (170, 109194), (204, 90995), (255, 72796), (340, 54597), (510, 36398), (1020, 18199)]