19478240

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 49351680

約数和(自身を除く): 29873440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 67, 79, 80, 92, 115, 134, 158, 160, 184, 230, 268, 316, 335, 368, 395, 460, 536, 632, 670, 736, 790, 920, 1072, 1264, 1340, 1541, 1580, 1817, 1840, 2144, 2528, 2680, 3082, 3160, 3634, 3680, 5293, 5360, 6164, 6320, 7268, 7705, 9085, 10586, 10720, 12328, 12640, 14536, 15410, 18170, 21172, 24656, 26465, 29072, 30820, 36340, 42344, 49312, 52930, 58144, 61640, 72680, 84688, 105860, 121739, 123280, 145360, 169376, 211720, 243478, 246560, 290720, 423440, 486956, 608695, 846880, 973912, 1217390, 1947824, 2434780, 3895648, 4869560, 9739120, 19478240]

約数ペア:

[(1, 19478240), (2, 9739120), (4, 4869560), (5, 3895648), (8, 2434780), (10, 1947824), (16, 1217390), (20, 973912), (23, 846880), (32, 608695), (40, 486956), (46, 423440), (67, 290720), (79, 246560), (80, 243478), (92, 211720), (115, 169376), (134, 145360), (158, 123280), (160, 121739), (184, 105860), (230, 84688), (268, 72680), (316, 61640), (335, 58144), (368, 52930), (395, 49312), (460, 42344), (536, 36340), (632, 30820), (670, 29072), (736, 26465), (790, 24656), (920, 21172), (1072, 18170), (1264, 15410), (1340, 14536), (1541, 12640), (1580, 12328), (1817, 10720), (1840, 10586), (2144, 9085), (2528, 7705), (2680, 7268), (3082, 6320), (3160, 6164), (3634, 5360), (3680, 5293)]