18389430

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:403

約数の個数: 80

約数和(自身を含む): 50285664

約数和(自身を除く): 31896234

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 81, 90, 135, 146, 162, 219, 270, 311, 365, 405, 438, 622, 657, 730, 810, 933, 1095, 1314, 1555, 1866, 1971, 2190, 2799, 3110, 3285, 3942, 4665, 5598, 5913, 6570, 8397, 9330, 9855, 11826, 13995, 16794, 19710, 22703, 25191, 27990, 29565, 41985, 45406, 50382, 59130, 68109, 83970, 113515, 125955, 136218, 204327, 227030, 251910, 340545, 408654, 612981, 681090, 1021635, 1225962, 1838943, 2043270, 3064905, 3677886, 6129810, 9194715, 18389430]

約数ペア:

[(1, 18389430), (2, 9194715), (3, 6129810), (5, 3677886), (6, 3064905), (9, 2043270), (10, 1838943), (15, 1225962), (18, 1021635), (27, 681090), (30, 612981), (45, 408654), (54, 340545), (73, 251910), (81, 227030), (90, 204327), (135, 136218), (146, 125955), (162, 113515), (219, 83970), (270, 68109), (311, 59130), (365, 50382), (405, 45406), (438, 41985), (622, 29565), (657, 27990), (730, 25191), (810, 22703), (933, 19710), (1095, 16794), (1314, 13995), (1555, 11826), (1866, 9855), (1971, 9330), (2190, 8397), (2799, 6570), (3110, 5913), (3285, 5598), (3942, 4665)]