19810008

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1646

約数の個数: 80

約数和(自身を含む): 58443000

約数和(自身を除く): 38632992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 324, 342, 456, 513, 648, 684, 1026, 1368, 1539, 1609, 2052, 3078, 3218, 4104, 4827, 6156, 6436, 9654, 12312, 12872, 14481, 19308, 28962, 30571, 38616, 43443, 57924, 61142, 86886, 91713, 115848, 122284, 130329, 173772, 183426, 244568, 260658, 275139, 347544, 366852, 521316, 550278, 733704, 825417, 1042632, 1100556, 1650834, 2201112, 2476251, 3301668, 4952502, 6603336, 9905004, 19810008]

約数ペア:

[(1, 19810008), (2, 9905004), (3, 6603336), (4, 4952502), (6, 3301668), (8, 2476251), (9, 2201112), (12, 1650834), (18, 1100556), (19, 1042632), (24, 825417), (27, 733704), (36, 550278), (38, 521316), (54, 366852), (57, 347544), (72, 275139), (76, 260658), (81, 244568), (108, 183426), (114, 173772), (152, 130329), (162, 122284), (171, 115848), (216, 91713), (228, 86886), (324, 61142), (342, 57924), (456, 43443), (513, 38616), (648, 30571), (684, 28962), (1026, 19308), (1368, 14481), (1539, 12872), (1609, 12312), (2052, 9654), (3078, 6436), (3218, 6156), (4104, 4827)]