18358920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:300

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 43849080

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, 89, 90, 108, 120, 135, 178, 180, 191, 216, 267, 270, 356, 360, 382, 445, 534, 540, 573, 712, 764, 801, 890, 955, 1068, 1080, 1146, 1335, 1528, 1602, 1719, 1780, 1910, 2136, 2292, 2403, 2670, 2865, 3204, 3438, 3560, 3820, 4005, 4584, 4806, 5157, 5340, 5730, 6408, 6876, 7640, 8010, 8595, 9612, 10314, 10680, 11460, 12015, 13752, 16020, 16999, 17190, 19224, 20628, 22920, 24030, 25785, 32040, 33998, 34380, 41256, 48060, 50997, 51570, 67996, 68760, 84995, 96120, 101994, 103140, 135992, 152991, 169990, 203988, 206280, 254985, 305982, 339980, 407976, 458973, 509970, 611964, 679960, 764955, 917946, 1019940, 1223928, 1529910, 1835892, 2039880, 2294865, 3059820, 3671784, 4589730, 6119640, 9179460, 18358920]

約数ペア:

[(1, 18358920), (2, 9179460), (3, 6119640), (4, 4589730), (5, 3671784), (6, 3059820), (8, 2294865), (9, 2039880), (10, 1835892), (12, 1529910), (15, 1223928), (18, 1019940), (20, 917946), (24, 764955), (27, 679960), (30, 611964), (36, 509970), (40, 458973), (45, 407976), (54, 339980), (60, 305982), (72, 254985), (89, 206280), (90, 203988), (108, 169990), (120, 152991), (135, 135992), (178, 103140), (180, 101994), (191, 96120), (216, 84995), (267, 68760), (270, 67996), (356, 51570), (360, 50997), (382, 48060), (445, 41256), (534, 34380), (540, 33998), (573, 32040), (712, 25785), (764, 24030), (801, 22920), (890, 20628), (955, 19224), (1068, 17190), (1080, 16999), (1146, 16020), (1335, 13752), (1528, 12015), (1602, 11460), (1719, 10680), (1780, 10314), (1910, 9612), (2136, 8595), (2292, 8010), (2403, 7640), (2670, 6876), (2865, 6408), (3204, 5730), (3438, 5340), (3560, 5157), (3820, 4806), (4005, 4584)]