19067580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:468

約数の個数: 144

約数和(自身を含む): 68053440

約数和(自身を除く): 48985860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 409, 420, 444, 518, 555, 630, 666, 740, 777, 818, 1036, 1110, 1227, 1260, 1295, 1332, 1554, 1636, 1665, 2045, 2220, 2331, 2454, 2590, 2863, 3108, 3330, 3681, 3885, 4090, 4662, 4908, 5180, 5726, 6135, 6660, 7362, 7770, 8180, 8589, 9324, 11452, 11655, 12270, 14315, 14724, 15133, 15540, 17178, 18405, 23310, 24540, 25767, 28630, 30266, 34356, 36810, 42945, 45399, 46620, 51534, 57260, 60532, 73620, 75665, 85890, 90798, 103068, 105931, 128835, 136197, 151330, 171780, 181596, 211862, 226995, 257670, 272394, 302660, 317793, 423724, 453990, 515340, 529655, 544788, 635586, 680985, 907980, 953379, 1059310, 1271172, 1361970, 1588965, 1906758, 2118620, 2723940, 3177930, 3813516, 4766895, 6355860, 9533790, 19067580]

約数ペア:

[(1, 19067580), (2, 9533790), (3, 6355860), (4, 4766895), (5, 3813516), (6, 3177930), (7, 2723940), (9, 2118620), (10, 1906758), (12, 1588965), (14, 1361970), (15, 1271172), (18, 1059310), (20, 953379), (21, 907980), (28, 680985), (30, 635586), (35, 544788), (36, 529655), (37, 515340), (42, 453990), (45, 423724), (60, 317793), (63, 302660), (70, 272394), (74, 257670), (84, 226995), (90, 211862), (105, 181596), (111, 171780), (126, 151330), (140, 136197), (148, 128835), (180, 105931), (185, 103068), (210, 90798), (222, 85890), (252, 75665), (259, 73620), (315, 60532), (333, 57260), (370, 51534), (409, 46620), (420, 45399), (444, 42945), (518, 36810), (555, 34356), (630, 30266), (666, 28630), (740, 25767), (777, 24540), (818, 23310), (1036, 18405), (1110, 17178), (1227, 15540), (1260, 15133), (1295, 14724), (1332, 14315), (1554, 12270), (1636, 11655), (1665, 11452), (2045, 9324), (2220, 8589), (2331, 8180), (2454, 7770), (2590, 7362), (2863, 6660), (3108, 6135), (3330, 5726), (3681, 5180), (3885, 4908), (4090, 4662)]