19009040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10331}}^1$

素因数の和:10367

約数の個数: 40

約数和(自身を含む): 46122048

約数和(自身を除く): 27113008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10331, 20662, 41324, 51655, 82648, 103310, 165296, 206620, 237613, 413240, 475226, 826480, 950452, 1188065, 1900904, 2376130, 3801808, 4752260, 9504520, 19009040]

約数ペア:

[(1, 19009040), (2, 9504520), (4, 4752260), (5, 3801808), (8, 2376130), (10, 1900904), (16, 1188065), (20, 950452), (23, 826480), (40, 475226), (46, 413240), (80, 237613), (92, 206620), (115, 165296), (184, 103310), (230, 82648), (368, 51655), (460, 41324), (920, 20662), (1840, 10331)]