19654920

素因数分解:

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

素因数の和:18219

約数の個数: 64

約数和(自身を含む): 65520000

約数和(自身を除く): 45865080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18199, 36398, 54597, 72796, 90995, 109194, 145592, 163791, 181990, 218388, 272985, 327582, 363980, 436776, 491373, 545970, 655164, 727960, 818955, 982746, 1091940, 1310328, 1637910, 1965492, 2183880, 2456865, 3275820, 3930984, 4913730, 6551640, 9827460, 19654920]

約数ペア:

[(1, 19654920), (2, 9827460), (3, 6551640), (4, 4913730), (5, 3930984), (6, 3275820), (8, 2456865), (9, 2183880), (10, 1965492), (12, 1637910), (15, 1310328), (18, 1091940), (20, 982746), (24, 818955), (27, 727960), (30, 655164), (36, 545970), (40, 491373), (45, 436776), (54, 363980), (60, 327582), (72, 272985), (90, 218388), (108, 181990), (120, 163791), (135, 145592), (180, 109194), (216, 90995), (270, 72796), (360, 54597), (540, 36398), (1080, 18199)]