18746730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{577}}^1$

素因数の和:628

約数の個数: 72

約数和(自身を含む): 51531012

約数和(自身を除く): 32784282

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 361, 570, 577, 722, 855, 1083, 1154, 1710, 1731, 1805, 2166, 2885, 3249, 3462, 3610, 5193, 5415, 5770, 6498, 8655, 10386, 10830, 10963, 16245, 17310, 21926, 25965, 32490, 32889, 51930, 54815, 65778, 98667, 109630, 164445, 197334, 208297, 328890, 416594, 493335, 624891, 986670, 1041485, 1249782, 1874673, 2082970, 3124455, 3749346, 6248910, 9373365, 18746730]

約数ペア:

[(1, 18746730), (2, 9373365), (3, 6248910), (5, 3749346), (6, 3124455), (9, 2082970), (10, 1874673), (15, 1249782), (18, 1041485), (19, 986670), (30, 624891), (38, 493335), (45, 416594), (57, 328890), (90, 208297), (95, 197334), (114, 164445), (171, 109630), (190, 98667), (285, 65778), (342, 54815), (361, 51930), (570, 32889), (577, 32490), (722, 25965), (855, 21926), (1083, 17310), (1154, 16245), (1710, 10963), (1731, 10830), (1805, 10386), (2166, 8655), (2885, 6498), (3249, 5770), (3462, 5415), (3610, 5193)]