19970532

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 53464320

約数和(自身を除く): 33493788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 89, 92, 138, 178, 207, 267, 271, 276, 356, 414, 534, 542, 801, 813, 828, 1068, 1084, 1602, 1626, 2047, 2439, 3204, 3252, 4094, 4878, 6141, 6233, 8188, 9756, 12282, 12466, 18423, 18699, 24119, 24564, 24932, 36846, 37398, 48238, 56097, 72357, 73692, 74796, 96476, 112194, 144714, 217071, 224388, 289428, 434142, 554737, 868284, 1109474, 1664211, 2218948, 3328422, 4992633, 6656844, 9985266, 19970532]

約数ペア:

[(1, 19970532), (2, 9985266), (3, 6656844), (4, 4992633), (6, 3328422), (9, 2218948), (12, 1664211), (18, 1109474), (23, 868284), (36, 554737), (46, 434142), (69, 289428), (89, 224388), (92, 217071), (138, 144714), (178, 112194), (207, 96476), (267, 74796), (271, 73692), (276, 72357), (356, 56097), (414, 48238), (534, 37398), (542, 36846), (801, 24932), (813, 24564), (828, 24119), (1068, 18699), (1084, 18423), (1602, 12466), (1626, 12282), (2047, 9756), (2439, 8188), (3204, 6233), (3252, 6141), (4094, 4878)]