19052820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:659

約数の個数: 120

約数和(自身を含む): 63016800

約数和(自身を除く): 43963980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 619, 684, 810, 855, 1026, 1140, 1238, 1539, 1620, 1710, 1857, 2052, 2476, 2565, 3078, 3095, 3420, 3714, 5130, 5571, 6156, 6190, 7428, 7695, 9285, 10260, 11142, 11761, 12380, 15390, 16713, 18570, 22284, 23522, 27855, 30780, 33426, 35283, 37140, 47044, 50139, 55710, 58805, 66852, 70566, 83565, 100278, 105849, 111420, 117610, 141132, 167130, 176415, 200556, 211698, 235220, 250695, 317547, 334260, 352830, 423396, 501390, 529245, 635094, 705660, 952641, 1002780, 1058490, 1270188, 1587735, 1905282, 2116980, 3175470, 3810564, 4763205, 6350940, 9526410, 19052820]

約数ペア:

[(1, 19052820), (2, 9526410), (3, 6350940), (4, 4763205), (5, 3810564), (6, 3175470), (9, 2116980), (10, 1905282), (12, 1587735), (15, 1270188), (18, 1058490), (19, 1002780), (20, 952641), (27, 705660), (30, 635094), (36, 529245), (38, 501390), (45, 423396), (54, 352830), (57, 334260), (60, 317547), (76, 250695), (81, 235220), (90, 211698), (95, 200556), (108, 176415), (114, 167130), (135, 141132), (162, 117610), (171, 111420), (180, 105849), (190, 100278), (228, 83565), (270, 70566), (285, 66852), (324, 58805), (342, 55710), (380, 50139), (405, 47044), (513, 37140), (540, 35283), (570, 33426), (619, 30780), (684, 27855), (810, 23522), (855, 22284), (1026, 18570), (1140, 16713), (1238, 15390), (1539, 12380), (1620, 11761), (1710, 11142), (1857, 10260), (2052, 9285), (2476, 7695), (2565, 7428), (3078, 6190), (3095, 6156), (3420, 5571), (3714, 5130)]