19494240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2389}}^1$

素因数の和:2424

約数の個数: 96

約数和(自身を含む): 65046240

約数和(自身を除く): 45552000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2389, 2720, 4080, 4778, 7167, 8160, 9556, 11945, 14334, 19112, 23890, 28668, 35835, 38224, 40613, 47780, 57336, 71670, 76448, 81226, 95560, 114672, 121839, 143340, 162452, 191120, 203065, 229344, 243678, 286680, 324904, 382240, 406130, 487356, 573360, 609195, 649808, 812260, 974712, 1146720, 1218390, 1299616, 1624520, 1949424, 2436780, 3249040, 3898848, 4873560, 6498080, 9747120, 19494240]

約数ペア:

[(1, 19494240), (2, 9747120), (3, 6498080), (4, 4873560), (5, 3898848), (6, 3249040), (8, 2436780), (10, 1949424), (12, 1624520), (15, 1299616), (16, 1218390), (17, 1146720), (20, 974712), (24, 812260), (30, 649808), (32, 609195), (34, 573360), (40, 487356), (48, 406130), (51, 382240), (60, 324904), (68, 286680), (80, 243678), (85, 229344), (96, 203065), (102, 191120), (120, 162452), (136, 143340), (160, 121839), (170, 114672), (204, 95560), (240, 81226), (255, 76448), (272, 71670), (340, 57336), (408, 47780), (480, 40613), (510, 38224), (544, 35835), (680, 28668), (816, 23890), (1020, 19112), (1360, 14334), (1632, 11945), (2040, 9556), (2389, 8160), (2720, 7167), (4080, 4778)]