18535860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 65834496

約数和(自身を除く): 47298636

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 313, 315, 329, 420, 423, 470, 564, 626, 630, 658, 705, 846, 939, 940, 987, 1252, 1260, 1316, 1410, 1565, 1645, 1692, 1878, 1974, 2115, 2191, 2817, 2820, 2961, 3130, 3290, 3756, 3948, 4230, 4382, 4695, 4935, 5634, 5922, 6260, 6573, 6580, 8460, 8764, 9390, 9870, 10955, 11268, 11844, 13146, 14085, 14711, 14805, 18780, 19719, 19740, 21910, 26292, 28170, 29422, 29610, 32865, 39438, 43820, 44133, 56340, 58844, 59220, 65730, 73555, 78876, 88266, 98595, 102977, 131460, 132399, 147110, 176532, 197190, 205954, 220665, 264798, 294220, 308931, 394380, 411908, 441330, 514885, 529596, 617862, 661995, 882660, 926793, 1029770, 1235724, 1323990, 1544655, 1853586, 2059540, 2647980, 3089310, 3707172, 4633965, 6178620, 9267930, 18535860]

約数ペア:

[(1, 18535860), (2, 9267930), (3, 6178620), (4, 4633965), (5, 3707172), (6, 3089310), (7, 2647980), (9, 2059540), (10, 1853586), (12, 1544655), (14, 1323990), (15, 1235724), (18, 1029770), (20, 926793), (21, 882660), (28, 661995), (30, 617862), (35, 529596), (36, 514885), (42, 441330), (45, 411908), (47, 394380), (60, 308931), (63, 294220), (70, 264798), (84, 220665), (90, 205954), (94, 197190), (105, 176532), (126, 147110), (140, 132399), (141, 131460), (180, 102977), (188, 98595), (210, 88266), (235, 78876), (252, 73555), (282, 65730), (313, 59220), (315, 58844), (329, 56340), (420, 44133), (423, 43820), (470, 39438), (564, 32865), (626, 29610), (630, 29422), (658, 28170), (705, 26292), (846, 21910), (939, 19740), (940, 19719), (987, 18780), (1252, 14805), (1260, 14711), (1316, 14085), (1410, 13146), (1565, 11844), (1645, 11268), (1692, 10955), (1878, 9870), (1974, 9390), (2115, 8764), (2191, 8460), (2817, 6580), (2820, 6573), (2961, 6260), (3130, 5922), (3290, 5634), (3756, 4935), (3948, 4695), (4230, 4382)]