18403520

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1$

素因数の和:250

約数の個数: 84

約数和(自身を含む): 46786800

約数和(自身を除く): 28383280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 199, 272, 289, 320, 340, 398, 544, 578, 680, 796, 995, 1088, 1156, 1360, 1445, 1592, 1990, 2312, 2720, 2890, 3184, 3383, 3980, 4624, 5440, 5780, 6368, 6766, 7960, 9248, 11560, 12736, 13532, 15920, 16915, 18496, 23120, 27064, 31840, 33830, 46240, 54128, 57511, 63680, 67660, 92480, 108256, 115022, 135320, 216512, 230044, 270640, 287555, 460088, 541280, 575110, 920176, 1082560, 1150220, 1840352, 2300440, 3680704, 4600880, 9201760, 18403520]

約数ペア:

[(1, 18403520), (2, 9201760), (4, 4600880), (5, 3680704), (8, 2300440), (10, 1840352), (16, 1150220), (17, 1082560), (20, 920176), (32, 575110), (34, 541280), (40, 460088), (64, 287555), (68, 270640), (80, 230044), (85, 216512), (136, 135320), (160, 115022), (170, 108256), (199, 92480), (272, 67660), (289, 63680), (320, 57511), (340, 54128), (398, 46240), (544, 33830), (578, 31840), (680, 27064), (796, 23120), (995, 18496), (1088, 16915), (1156, 15920), (1360, 13532), (1445, 12736), (1592, 11560), (1990, 9248), (2312, 7960), (2720, 6766), (2890, 6368), (3184, 5780), (3383, 5440), (3980, 4624)]