19699040

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 49968576

約数和(自身を除く): 30269536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 53, 80, 92, 101, 106, 115, 160, 184, 202, 212, 230, 265, 368, 404, 424, 460, 505, 530, 736, 808, 848, 920, 1010, 1060, 1219, 1616, 1696, 1840, 2020, 2120, 2323, 2438, 3232, 3680, 4040, 4240, 4646, 4876, 5353, 6095, 8080, 8480, 9292, 9752, 10706, 11615, 12190, 16160, 18584, 19504, 21412, 23230, 24380, 26765, 37168, 39008, 42824, 46460, 48760, 53530, 74336, 85648, 92920, 97520, 107060, 123119, 171296, 185840, 195040, 214120, 246238, 371680, 428240, 492476, 615595, 856480, 984952, 1231190, 1969904, 2462380, 3939808, 4924760, 9849520, 19699040]

約数ペア:

[(1, 19699040), (2, 9849520), (4, 4924760), (5, 3939808), (8, 2462380), (10, 1969904), (16, 1231190), (20, 984952), (23, 856480), (32, 615595), (40, 492476), (46, 428240), (53, 371680), (80, 246238), (92, 214120), (101, 195040), (106, 185840), (115, 171296), (160, 123119), (184, 107060), (202, 97520), (212, 92920), (230, 85648), (265, 74336), (368, 53530), (404, 48760), (424, 46460), (460, 42824), (505, 39008), (530, 37168), (736, 26765), (808, 24380), (848, 23230), (920, 21412), (1010, 19504), (1060, 18584), (1219, 16160), (1616, 12190), (1696, 11615), (1840, 10706), (2020, 9752), (2120, 9292), (2323, 8480), (2438, 8080), (3232, 6095), (3680, 5353), (4040, 4876), (4240, 4646)]