1991569968

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{11933}}^1$

素因数の和:12027

約数の個数: 120

約数和(自身を含む): 5963658480

約数和(自身を除く): 3972088512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 61, 72, 76, 114, 122, 144, 152, 171, 183, 228, 244, 304, 342, 366, 456, 488, 549, 684, 732, 912, 976, 1098, 1159, 1368, 1464, 2196, 2318, 2736, 2928, 3477, 4392, 4636, 6954, 8784, 9272, 10431, 11933, 13908, 18544, 20862, 23866, 27816, 35799, 41724, 47732, 55632, 71598, 83448, 95464, 107397, 143196, 166896, 190928, 214794, 226727, 286392, 429588, 453454, 572784, 680181, 727913, 859176, 906908, 1360362, 1455826, 1718352, 1813816, 2040543, 2183739, 2720724, 2911652, 3627632, 4081086, 4367478, 5441448, 5823304, 6551217, 8162172, 8734956, 10882896, 11646608, 13102434, 13830347, 16324344, 17469912, 26204868, 27660694, 32648688, 34939824, 41491041, 52409736, 55321388, 82982082, 104819472, 110642776, 124473123, 165964164, 221285552, 248946246, 331928328, 497892492, 663856656, 995784984, 1991569968]

約数ペア:

[(1, 1991569968), (2, 995784984), (3, 663856656), (4, 497892492), (6, 331928328), (8, 248946246), (9, 221285552), (12, 165964164), (16, 124473123), (18, 110642776), (19, 104819472), (24, 82982082), (36, 55321388), (38, 52409736), (48, 41491041), (57, 34939824), (61, 32648688), (72, 27660694), (76, 26204868), (114, 17469912), (122, 16324344), (144, 13830347), (152, 13102434), (171, 11646608), (183, 10882896), (228, 8734956), (244, 8162172), (304, 6551217), (342, 5823304), (366, 5441448), (456, 4367478), (488, 4081086), (549, 3627632), (684, 2911652), (732, 2720724), (912, 2183739), (976, 2040543), (1098, 1813816), (1159, 1718352), (1368, 1455826), (1464, 1360362), (2196, 906908), (2318, 859176), (2736, 727913), (2928, 680181), (3477, 572784), (4392, 453454), (4636, 429588), (6954, 286392), (8784, 226727), (9272, 214794), (10431, 190928), (11933, 166896), (13908, 143196), (18544, 107397), (20862, 95464), (23866, 83448), (27816, 71598), (35799, 55632), (41724, 47732)]