19748388

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 52103520

約数和(自身を除く): 32355132

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 41, 44, 66, 82, 89, 123, 132, 164, 178, 246, 267, 356, 451, 492, 534, 902, 979, 1068, 1353, 1681, 1804, 1958, 2706, 2937, 3362, 3649, 3916, 5043, 5412, 5874, 6724, 7298, 10086, 10947, 11748, 14596, 18491, 20172, 21894, 36982, 40139, 43788, 55473, 73964, 80278, 110946, 120417, 149609, 160556, 221892, 240834, 299218, 448827, 481668, 598436, 897654, 1645699, 1795308, 3291398, 4937097, 6582796, 9874194, 19748388]

約数ペア:

[(1, 19748388), (2, 9874194), (3, 6582796), (4, 4937097), (6, 3291398), (11, 1795308), (12, 1645699), (22, 897654), (33, 598436), (41, 481668), (44, 448827), (66, 299218), (82, 240834), (89, 221892), (123, 160556), (132, 149609), (164, 120417), (178, 110946), (246, 80278), (267, 73964), (356, 55473), (451, 43788), (492, 40139), (534, 36982), (902, 21894), (979, 20172), (1068, 18491), (1353, 14596), (1681, 11748), (1804, 10947), (1958, 10086), (2706, 7298), (2937, 6724), (3362, 5874), (3649, 5412), (3916, 5043)]