19216008

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 42991992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 71, 72, 84, 108, 126, 142, 168, 179, 189, 213, 216, 252, 284, 358, 378, 426, 497, 504, 537, 568, 639, 716, 756, 852, 994, 1074, 1253, 1278, 1432, 1491, 1512, 1611, 1704, 1917, 1988, 2148, 2506, 2556, 2982, 3222, 3759, 3834, 3976, 4296, 4473, 4833, 5012, 5112, 5964, 6444, 7518, 7668, 8946, 9666, 10024, 11277, 11928, 12709, 12888, 13419, 15036, 15336, 17892, 19332, 22554, 25418, 26838, 30072, 33831, 35784, 38127, 38664, 45108, 50836, 53676, 67662, 76254, 88963, 90216, 101672, 107352, 114381, 135324, 152508, 177926, 228762, 266889, 270648, 305016, 343143, 355852, 457524, 533778, 686286, 711704, 800667, 915048, 1067556, 1372572, 1601334, 2135112, 2402001, 2745144, 3202668, 4804002, 6405336, 9608004, 19216008]

約数ペア:

[(1, 19216008), (2, 9608004), (3, 6405336), (4, 4804002), (6, 3202668), (7, 2745144), (8, 2402001), (9, 2135112), (12, 1601334), (14, 1372572), (18, 1067556), (21, 915048), (24, 800667), (27, 711704), (28, 686286), (36, 533778), (42, 457524), (54, 355852), (56, 343143), (63, 305016), (71, 270648), (72, 266889), (84, 228762), (108, 177926), (126, 152508), (142, 135324), (168, 114381), (179, 107352), (189, 101672), (213, 90216), (216, 88963), (252, 76254), (284, 67662), (358, 53676), (378, 50836), (426, 45108), (497, 38664), (504, 38127), (537, 35784), (568, 33831), (639, 30072), (716, 26838), (756, 25418), (852, 22554), (994, 19332), (1074, 17892), (1253, 15336), (1278, 15036), (1432, 13419), (1491, 12888), (1512, 12709), (1611, 11928), (1704, 11277), (1917, 10024), (1988, 9666), (2148, 8946), (2506, 7668), (2556, 7518), (2982, 6444), (3222, 5964), (3759, 5112), (3834, 5012), (3976, 4833), (4296, 4473)]