19139820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 61824000

約数和(自身を除く): 42684180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 199, 210, 229, 398, 420, 458, 597, 687, 796, 916, 995, 1145, 1194, 1374, 1393, 1603, 1990, 2290, 2388, 2748, 2786, 2985, 3206, 3435, 3980, 4179, 4580, 4809, 5572, 5970, 6412, 6870, 6965, 8015, 8358, 9618, 11940, 13740, 13930, 16030, 16716, 19236, 20895, 24045, 27860, 32060, 41790, 45571, 48090, 83580, 91142, 96180, 136713, 182284, 227855, 273426, 318997, 455710, 546852, 637994, 683565, 911420, 956991, 1275988, 1367130, 1594985, 1913982, 2734260, 3189970, 3827964, 4784955, 6379940, 9569910, 19139820]

約数ペア:

[(1, 19139820), (2, 9569910), (3, 6379940), (4, 4784955), (5, 3827964), (6, 3189970), (7, 2734260), (10, 1913982), (12, 1594985), (14, 1367130), (15, 1275988), (20, 956991), (21, 911420), (28, 683565), (30, 637994), (35, 546852), (42, 455710), (60, 318997), (70, 273426), (84, 227855), (105, 182284), (140, 136713), (199, 96180), (210, 91142), (229, 83580), (398, 48090), (420, 45571), (458, 41790), (597, 32060), (687, 27860), (796, 24045), (916, 20895), (995, 19236), (1145, 16716), (1194, 16030), (1374, 13930), (1393, 13740), (1603, 11940), (1990, 9618), (2290, 8358), (2388, 8015), (2748, 6965), (2786, 6870), (2985, 6412), (3206, 5970), (3435, 5572), (3980, 4809), (4179, 4580)]