19534788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 62375040

約数和(自身を除く): 42840252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 67, 78, 84, 89, 91, 117, 126, 134, 156, 178, 182, 201, 234, 252, 267, 268, 273, 356, 364, 402, 468, 469, 534, 546, 603, 623, 801, 804, 819, 871, 938, 1068, 1092, 1157, 1206, 1246, 1407, 1602, 1638, 1742, 1869, 1876, 2314, 2412, 2492, 2613, 2814, 3204, 3276, 3471, 3484, 3738, 4221, 4628, 5226, 5607, 5628, 5963, 6097, 6942, 7476, 7839, 8099, 8442, 10413, 10452, 11214, 11926, 12194, 13884, 15678, 16198, 16884, 17889, 18291, 20826, 22428, 23852, 24297, 24388, 31356, 32396, 35778, 36582, 41652, 41741, 48594, 53667, 54873, 71556, 72891, 73164, 77519, 83482, 97188, 107334, 109746, 125223, 145782, 155038, 166964, 214668, 219492, 232557, 250446, 291564, 310076, 375669, 465114, 500892, 542633, 697671, 751338, 930228, 1085266, 1395342, 1502676, 1627899, 2170532, 2790684, 3255798, 4883697, 6511596, 9767394, 19534788]

約数ペア:

[(1, 19534788), (2, 9767394), (3, 6511596), (4, 4883697), (6, 3255798), (7, 2790684), (9, 2170532), (12, 1627899), (13, 1502676), (14, 1395342), (18, 1085266), (21, 930228), (26, 751338), (28, 697671), (36, 542633), (39, 500892), (42, 465114), (52, 375669), (63, 310076), (67, 291564), (78, 250446), (84, 232557), (89, 219492), (91, 214668), (117, 166964), (126, 155038), (134, 145782), (156, 125223), (178, 109746), (182, 107334), (201, 97188), (234, 83482), (252, 77519), (267, 73164), (268, 72891), (273, 71556), (356, 54873), (364, 53667), (402, 48594), (468, 41741), (469, 41652), (534, 36582), (546, 35778), (603, 32396), (623, 31356), (801, 24388), (804, 24297), (819, 23852), (871, 22428), (938, 20826), (1068, 18291), (1092, 17889), (1157, 16884), (1206, 16198), (1246, 15678), (1407, 13884), (1602, 12194), (1638, 11926), (1742, 11214), (1869, 10452), (1876, 10413), (2314, 8442), (2412, 8099), (2492, 7839), (2613, 7476), (2814, 6942), (3204, 6097), (3276, 5963), (3471, 5628), (3484, 5607), (3738, 5226), (4221, 4628)]