18358980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 37524540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 41, 51, 60, 68, 82, 85, 102, 123, 164, 170, 204, 205, 246, 255, 340, 410, 439, 492, 510, 615, 697, 820, 878, 1020, 1230, 1317, 1394, 1756, 2091, 2195, 2460, 2634, 2788, 3485, 4182, 4390, 5268, 6585, 6970, 7463, 8364, 8780, 10455, 13170, 13940, 14926, 17999, 20910, 22389, 26340, 29852, 35998, 37315, 41820, 44778, 53997, 71996, 74630, 89556, 89995, 107994, 111945, 149260, 179990, 215988, 223890, 269985, 305983, 359980, 447780, 539970, 611966, 917949, 1079940, 1223932, 1529915, 1835898, 3059830, 3671796, 4589745, 6119660, 9179490, 18358980]

約数ペア:

[(1, 18358980), (2, 9179490), (3, 6119660), (4, 4589745), (5, 3671796), (6, 3059830), (10, 1835898), (12, 1529915), (15, 1223932), (17, 1079940), (20, 917949), (30, 611966), (34, 539970), (41, 447780), (51, 359980), (60, 305983), (68, 269985), (82, 223890), (85, 215988), (102, 179990), (123, 149260), (164, 111945), (170, 107994), (204, 89995), (205, 89556), (246, 74630), (255, 71996), (340, 53997), (410, 44778), (439, 41820), (492, 37315), (510, 35998), (615, 29852), (697, 26340), (820, 22389), (878, 20910), (1020, 17999), (1230, 14926), (1317, 13940), (1394, 13170), (1756, 10455), (2091, 8780), (2195, 8364), (2460, 7463), (2634, 6970), (2788, 6585), (3485, 5268), (4182, 4390)]