19696160

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:95

約数の個数: 144

約数和(自身を含む): 55302912

約数和(自身を除く): 35606752

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 32, 38, 40, 44, 55, 62, 76, 80, 88, 95, 110, 124, 152, 155, 160, 176, 190, 209, 220, 248, 304, 310, 341, 352, 361, 380, 418, 440, 496, 589, 608, 620, 682, 722, 760, 836, 880, 992, 1045, 1178, 1240, 1364, 1444, 1520, 1672, 1705, 1760, 1805, 2090, 2356, 2480, 2728, 2888, 2945, 3040, 3344, 3410, 3610, 3971, 4180, 4712, 4960, 5456, 5776, 5890, 6479, 6688, 6820, 7220, 7942, 8360, 9424, 10912, 11191, 11552, 11780, 12958, 13640, 14440, 15884, 16720, 18848, 19855, 22382, 23560, 25916, 27280, 28880, 31768, 32395, 33440, 39710, 44764, 47120, 51832, 54560, 55955, 57760, 63536, 64790, 79420, 89528, 94240, 103664, 111910, 123101, 127072, 129580, 158840, 179056, 207328, 223820, 246202, 259160, 317680, 358112, 447640, 492404, 518320, 615505, 635360, 895280, 984808, 1036640, 1231010, 1790560, 1969616, 2462020, 3939232, 4924040, 9848080, 19696160]

約数ペア:

[(1, 19696160), (2, 9848080), (4, 4924040), (5, 3939232), (8, 2462020), (10, 1969616), (11, 1790560), (16, 1231010), (19, 1036640), (20, 984808), (22, 895280), (31, 635360), (32, 615505), (38, 518320), (40, 492404), (44, 447640), (55, 358112), (62, 317680), (76, 259160), (80, 246202), (88, 223820), (95, 207328), (110, 179056), (124, 158840), (152, 129580), (155, 127072), (160, 123101), (176, 111910), (190, 103664), (209, 94240), (220, 89528), (248, 79420), (304, 64790), (310, 63536), (341, 57760), (352, 55955), (361, 54560), (380, 51832), (418, 47120), (440, 44764), (496, 39710), (589, 33440), (608, 32395), (620, 31768), (682, 28880), (722, 27280), (760, 25916), (836, 23560), (880, 22382), (992, 19855), (1045, 18848), (1178, 16720), (1240, 15884), (1364, 14440), (1444, 13640), (1520, 12958), (1672, 11780), (1705, 11552), (1760, 11191), (1805, 10912), (2090, 9424), (2356, 8360), (2480, 7942), (2728, 7220), (2888, 6820), (2945, 6688), (3040, 6479), (3344, 5890), (3410, 5776), (3610, 5456), (3971, 4960), (4180, 4712)]