18820704

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4001}}^1$

素因数の和:4028

約数の個数: 72

約数和(自身を含む): 57484728

約数和(自身を除く): 38664024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4001, 4704, 8002, 12003, 16004, 24006, 28007, 32008, 48012, 56014, 64016, 84021, 96024, 112028, 128032, 168042, 192048, 196049, 224056, 336084, 384096, 392098, 448112, 588147, 672168, 784196, 896224, 1176294, 1344336, 1568392, 2352588, 2688672, 3136784, 4705176, 6273568, 9410352, 18820704]

約数ペア:

[(1, 18820704), (2, 9410352), (3, 6273568), (4, 4705176), (6, 3136784), (7, 2688672), (8, 2352588), (12, 1568392), (14, 1344336), (16, 1176294), (21, 896224), (24, 784196), (28, 672168), (32, 588147), (42, 448112), (48, 392098), (49, 384096), (56, 336084), (84, 224056), (96, 196049), (98, 192048), (112, 168042), (147, 128032), (168, 112028), (196, 96024), (224, 84021), (294, 64016), (336, 56014), (392, 48012), (588, 32008), (672, 28007), (784, 24006), (1176, 16004), (1568, 12003), (2352, 8002), (4001, 4704)]