19259460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 65100672

約数和(自身を除く): 45841212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 71, 90, 99, 110, 132, 137, 142, 165, 180, 198, 213, 220, 274, 284, 330, 355, 396, 411, 426, 495, 548, 639, 660, 685, 710, 781, 822, 852, 990, 1065, 1233, 1278, 1370, 1420, 1507, 1562, 1644, 1980, 2055, 2130, 2343, 2466, 2556, 2740, 3014, 3124, 3195, 3905, 4110, 4260, 4521, 4686, 4932, 6028, 6165, 6390, 7029, 7535, 7810, 8220, 9042, 9372, 9727, 11715, 12330, 12780, 13563, 14058, 15070, 15620, 18084, 19454, 22605, 23430, 24660, 27126, 28116, 29181, 30140, 35145, 38908, 45210, 46860, 48635, 54252, 58362, 67815, 70290, 87543, 90420, 97270, 106997, 116724, 135630, 140580, 145905, 175086, 194540, 213994, 271260, 291810, 320991, 350172, 427988, 437715, 534985, 583620, 641982, 875430, 962973, 1069970, 1283964, 1604955, 1750860, 1925946, 2139940, 3209910, 3851892, 4814865, 6419820, 9629730, 19259460]

約数ペア:

[(1, 19259460), (2, 9629730), (3, 6419820), (4, 4814865), (5, 3851892), (6, 3209910), (9, 2139940), (10, 1925946), (11, 1750860), (12, 1604955), (15, 1283964), (18, 1069970), (20, 962973), (22, 875430), (30, 641982), (33, 583620), (36, 534985), (44, 437715), (45, 427988), (55, 350172), (60, 320991), (66, 291810), (71, 271260), (90, 213994), (99, 194540), (110, 175086), (132, 145905), (137, 140580), (142, 135630), (165, 116724), (180, 106997), (198, 97270), (213, 90420), (220, 87543), (274, 70290), (284, 67815), (330, 58362), (355, 54252), (396, 48635), (411, 46860), (426, 45210), (495, 38908), (548, 35145), (639, 30140), (660, 29181), (685, 28116), (710, 27126), (781, 24660), (822, 23430), (852, 22605), (990, 19454), (1065, 18084), (1233, 15620), (1278, 15070), (1370, 14058), (1420, 13563), (1507, 12780), (1562, 12330), (1644, 11715), (1980, 9727), (2055, 9372), (2130, 9042), (2343, 8220), (2466, 7810), (2556, 7535), (2740, 7029), (3014, 6390), (3124, 6165), (3195, 6028), (3905, 4932), (4110, 4686), (4260, 4521)]