19091888560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2\times {\mathrm{2357}}^1$

素因数の和:2535

約数の個数: 120

約数和(自身を含む): 47393819280

約数和(自身を除く): 28301930720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 80, 95, 146, 152, 190, 292, 304, 365, 380, 584, 730, 760, 1168, 1387, 1460, 1520, 2357, 2774, 2920, 4714, 5329, 5548, 5840, 6935, 9428, 10658, 11096, 11785, 13870, 18856, 21316, 22192, 23570, 26645, 27740, 37712, 42632, 44783, 47140, 53290, 55480, 85264, 89566, 94280, 101251, 106580, 110960, 172061, 179132, 188560, 202502, 213160, 223915, 344122, 358264, 405004, 426320, 447830, 506255, 688244, 716528, 810008, 860305, 895660, 1012510, 1376488, 1620016, 1720610, 1791320, 2025020, 2752976, 3269159, 3441220, 3582640, 4050040, 6538318, 6882440, 8100080, 12560453, 13076636, 13764880, 16345795, 25120906, 26153272, 32691590, 50241812, 52306544, 62802265, 65383180, 100483624, 125604530, 130766360, 200967248, 238648607, 251209060, 261532720, 477297214, 502418120, 954594428, 1004836240, 1193243035, 1909188856, 2386486070, 3818377712, 4772972140, 9545944280, 19091888560]

約数ペア:

[(1, 19091888560), (2, 9545944280), (4, 4772972140), (5, 3818377712), (8, 2386486070), (10, 1909188856), (16, 1193243035), (19, 1004836240), (20, 954594428), (38, 502418120), (40, 477297214), (73, 261532720), (76, 251209060), (80, 238648607), (95, 200967248), (146, 130766360), (152, 125604530), (190, 100483624), (292, 65383180), (304, 62802265), (365, 52306544), (380, 50241812), (584, 32691590), (730, 26153272), (760, 25120906), (1168, 16345795), (1387, 13764880), (1460, 13076636), (1520, 12560453), (2357, 8100080), (2774, 6882440), (2920, 6538318), (4714, 4050040), (5329, 3582640), (5548, 3441220), (5840, 3269159), (6935, 2752976), (9428, 2025020), (10658, 1791320), (11096, 1720610), (11785, 1620016), (13870, 1376488), (18856, 1012510), (21316, 895660), (22192, 860305), (23570, 810008), (26645, 716528), (27740, 688244), (37712, 506255), (42632, 447830), (44783, 426320), (47140, 405004), (53290, 358264), (55480, 344122), (85264, 223915), (89566, 213160), (94280, 202502), (101251, 188560), (106580, 179132), (110960, 172061)]