19393140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 62431488

約数和(自身を除く): 43038348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 47, 52, 60, 65, 69, 78, 92, 94, 115, 130, 138, 141, 156, 188, 195, 230, 235, 260, 276, 282, 299, 345, 390, 460, 470, 529, 564, 598, 611, 690, 705, 780, 897, 940, 1058, 1081, 1196, 1222, 1380, 1410, 1495, 1587, 1794, 1833, 2116, 2162, 2444, 2645, 2820, 2990, 3055, 3174, 3243, 3588, 3666, 4324, 4485, 5290, 5405, 5980, 6110, 6348, 6486, 6877, 7332, 7935, 8970, 9165, 10580, 10810, 12220, 12972, 13754, 14053, 15870, 16215, 17940, 18330, 20631, 21620, 24863, 27508, 28106, 31740, 32430, 34385, 36660, 41262, 42159, 49726, 56212, 64860, 68770, 70265, 74589, 82524, 84318, 99452, 103155, 124315, 137540, 140530, 149178, 168636, 206310, 210795, 248630, 281060, 298356, 323219, 372945, 412620, 421590, 497260, 646438, 745890, 843180, 969657, 1292876, 1491780, 1616095, 1939314, 3232190, 3878628, 4848285, 6464380, 9696570, 19393140]

約数ペア:

[(1, 19393140), (2, 9696570), (3, 6464380), (4, 4848285), (5, 3878628), (6, 3232190), (10, 1939314), (12, 1616095), (13, 1491780), (15, 1292876), (20, 969657), (23, 843180), (26, 745890), (30, 646438), (39, 497260), (46, 421590), (47, 412620), (52, 372945), (60, 323219), (65, 298356), (69, 281060), (78, 248630), (92, 210795), (94, 206310), (115, 168636), (130, 149178), (138, 140530), (141, 137540), (156, 124315), (188, 103155), (195, 99452), (230, 84318), (235, 82524), (260, 74589), (276, 70265), (282, 68770), (299, 64860), (345, 56212), (390, 49726), (460, 42159), (470, 41262), (529, 36660), (564, 34385), (598, 32430), (611, 31740), (690, 28106), (705, 27508), (780, 24863), (897, 21620), (940, 20631), (1058, 18330), (1081, 17940), (1196, 16215), (1222, 15870), (1380, 14053), (1410, 13754), (1495, 12972), (1587, 12220), (1794, 10810), (1833, 10580), (2116, 9165), (2162, 8970), (2444, 7935), (2645, 7332), (2820, 6877), (2990, 6486), (3055, 6348), (3174, 6110), (3243, 5980), (3588, 5405), (3666, 5290), (4324, 4485)]