19115427880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{1499}}^1$

素因数の和:1783

約数の個数: 128

約数和(自身を含む): 45722880000

約数和(自身を除く): 26607452120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 83, 92, 115, 166, 167, 184, 230, 332, 334, 415, 460, 664, 668, 830, 835, 920, 1336, 1499, 1660, 1670, 1909, 2998, 3320, 3340, 3818, 3841, 5996, 6680, 7495, 7636, 7682, 9545, 11992, 13861, 14990, 15272, 15364, 19090, 19205, 27722, 29980, 30728, 34477, 38180, 38410, 55444, 59960, 68954, 69305, 76360, 76820, 110888, 124417, 137908, 138610, 153640, 172385, 248834, 250333, 275816, 277220, 318803, 344770, 497668, 500666, 554440, 622085, 637606, 689540, 995336, 1001332, 1244170, 1251665, 1275212, 1379080, 1594015, 2002664, 2488340, 2503330, 2550424, 2861591, 3188030, 4976680, 5006660, 5723182, 5757659, 6376060, 10013320, 11446364, 11515318, 12752120, 14307955, 20777639, 22892728, 23030636, 28615910, 28788295, 41555278, 46061272, 57231820, 57576590, 83110556, 103888195, 114463640, 115153180, 166221112, 207776390, 230306360, 415552780, 477885697, 831105560, 955771394, 1911542788, 2389428485, 3823085576, 4778856970, 9557713940, 19115427880]

約数ペア:

[(1, 19115427880), (2, 9557713940), (4, 4778856970), (5, 3823085576), (8, 2389428485), (10, 1911542788), (20, 955771394), (23, 831105560), (40, 477885697), (46, 415552780), (83, 230306360), (92, 207776390), (115, 166221112), (166, 115153180), (167, 114463640), (184, 103888195), (230, 83110556), (332, 57576590), (334, 57231820), (415, 46061272), (460, 41555278), (664, 28788295), (668, 28615910), (830, 23030636), (835, 22892728), (920, 20777639), (1336, 14307955), (1499, 12752120), (1660, 11515318), (1670, 11446364), (1909, 10013320), (2998, 6376060), (3320, 5757659), (3340, 5723182), (3818, 5006660), (3841, 4976680), (5996, 3188030), (6680, 2861591), (7495, 2550424), (7636, 2503330), (7682, 2488340), (9545, 2002664), (11992, 1594015), (13861, 1379080), (14990, 1275212), (15272, 1251665), (15364, 1244170), (19090, 1001332), (19205, 995336), (27722, 689540), (29980, 637606), (30728, 622085), (34477, 554440), (38180, 500666), (38410, 497668), (55444, 344770), (59960, 318803), (68954, 277220), (69305, 275816), (76360, 250333), (76820, 248834), (110888, 172385), (124417, 153640), (137908, 138610)]