19900018980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1939573}}^1$

素因数の和:1939610

約数の個数: 96

約数和(自身を含む): 65169686400

約数和(自身を除く): 45269667420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 1939573, 3879146, 5818719, 7758292, 9697865, 11637438, 17456157, 19395730, 23274876, 29093595, 34912314, 36851887, 38791460, 52368471, 58187190, 69824628, 73703774, 87280785, 104736942, 110555661, 116374380, 147407548, 174561570, 184259435, 209473884, 221111322, 261842355, 331666983, 349123140, 368518870, 442222644, 523684710, 552778305, 663333966, 737037740, 995000949, 1047369420, 1105556610, 1326667932, 1658334915, 1990001898, 2211113220, 3316669830, 3980003796, 4975004745, 6633339660, 9950009490, 19900018980]

約数ペア:

[(1, 19900018980), (2, 9950009490), (3, 6633339660), (4, 4975004745), (5, 3980003796), (6, 3316669830), (9, 2211113220), (10, 1990001898), (12, 1658334915), (15, 1326667932), (18, 1105556610), (19, 1047369420), (20, 995000949), (27, 737037740), (30, 663333966), (36, 552778305), (38, 523684710), (45, 442222644), (54, 368518870), (57, 349123140), (60, 331666983), (76, 261842355), (90, 221111322), (95, 209473884), (108, 184259435), (114, 174561570), (135, 147407548), (171, 116374380), (180, 110555661), (190, 104736942), (228, 87280785), (270, 73703774), (285, 69824628), (342, 58187190), (380, 52368471), (513, 38791460), (540, 36851887), (570, 34912314), (684, 29093595), (855, 23274876), (1026, 19395730), (1140, 17456157), (1710, 11637438), (2052, 9697865), (2565, 7758292), (3420, 5818719), (5130, 3879146), (10260, 1939573)]