19679820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 59162880

約数和(自身を除く): 39483060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 61, 76, 95, 114, 122, 183, 190, 228, 244, 283, 285, 305, 366, 380, 566, 570, 610, 732, 849, 915, 1132, 1140, 1159, 1220, 1415, 1698, 1830, 2318, 2830, 3396, 3477, 3660, 4245, 4636, 5377, 5660, 5795, 6954, 8490, 10754, 11590, 13908, 16131, 16980, 17263, 17385, 21508, 23180, 26885, 32262, 34526, 34770, 51789, 53770, 64524, 69052, 69540, 80655, 86315, 103578, 107540, 161310, 172630, 207156, 258945, 322620, 327997, 345260, 517890, 655994, 983991, 1035780, 1311988, 1639985, 1967982, 3279970, 3935964, 4919955, 6559940, 9839910, 19679820]

約数ペア:

[(1, 19679820), (2, 9839910), (3, 6559940), (4, 4919955), (5, 3935964), (6, 3279970), (10, 1967982), (12, 1639985), (15, 1311988), (19, 1035780), (20, 983991), (30, 655994), (38, 517890), (57, 345260), (60, 327997), (61, 322620), (76, 258945), (95, 207156), (114, 172630), (122, 161310), (183, 107540), (190, 103578), (228, 86315), (244, 80655), (283, 69540), (285, 69052), (305, 64524), (366, 53770), (380, 51789), (566, 34770), (570, 34526), (610, 32262), (732, 26885), (849, 23180), (915, 21508), (1132, 17385), (1140, 17263), (1159, 16980), (1220, 16131), (1415, 13908), (1698, 11590), (1830, 10754), (2318, 8490), (2830, 6954), (3396, 5795), (3477, 5660), (3660, 5377), (4245, 4636)]