19218660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 37027740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 61, 89, 118, 122, 177, 178, 183, 236, 244, 267, 295, 305, 354, 356, 366, 445, 534, 590, 610, 708, 732, 885, 890, 915, 1068, 1180, 1220, 1335, 1770, 1780, 1830, 2670, 3540, 3599, 3660, 5251, 5340, 5429, 7198, 10502, 10797, 10858, 14396, 15753, 16287, 17995, 21004, 21594, 21716, 26255, 27145, 31506, 32574, 35990, 43188, 52510, 53985, 54290, 63012, 65148, 71980, 78765, 81435, 105020, 107970, 108580, 157530, 162870, 215940, 315060, 320311, 325740, 640622, 960933, 1281244, 1601555, 1921866, 3203110, 3843732, 4804665, 6406220, 9609330, 19218660]

約数ペア:

[(1, 19218660), (2, 9609330), (3, 6406220), (4, 4804665), (5, 3843732), (6, 3203110), (10, 1921866), (12, 1601555), (15, 1281244), (20, 960933), (30, 640622), (59, 325740), (60, 320311), (61, 315060), (89, 215940), (118, 162870), (122, 157530), (177, 108580), (178, 107970), (183, 105020), (236, 81435), (244, 78765), (267, 71980), (295, 65148), (305, 63012), (354, 54290), (356, 53985), (366, 52510), (445, 43188), (534, 35990), (590, 32574), (610, 31506), (708, 27145), (732, 26255), (885, 21716), (890, 21594), (915, 21004), (1068, 17995), (1180, 16287), (1220, 15753), (1335, 14396), (1770, 10858), (1780, 10797), (1830, 10502), (2670, 7198), (3540, 5429), (3599, 5340), (3660, 5251)]