18103980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17749}}^1$

素因数の和:17778

約数の個数: 48

約数和(自身を含む): 53676000

約数和(自身を除く): 35572020

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, 17749, 35498, 53247, 70996, 88745, 106494, 177490, 212988, 266235, 301733, 354980, 532470, 603466, 905199, 1064940, 1206932, 1508665, 1810398, 3017330, 3620796, 4525995, 6034660, 9051990, 18103980]

約数ペア:

[(1, 18103980), (2, 9051990), (3, 6034660), (4, 4525995), (5, 3620796), (6, 3017330), (10, 1810398), (12, 1508665), (15, 1206932), (17, 1064940), (20, 905199), (30, 603466), (34, 532470), (51, 354980), (60, 301733), (68, 266235), (85, 212988), (102, 177490), (170, 106494), (204, 88745), (255, 70996), (340, 53247), (510, 35498), (1020, 17749)]