19187910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:275

約数の個数: 144

約数和(自身を含む): 61354800

約数和(自身を除く): 42166890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 49, 57, 63, 70, 90, 95, 98, 105, 114, 126, 133, 147, 171, 190, 210, 229, 245, 266, 285, 294, 315, 342, 399, 441, 458, 490, 570, 630, 665, 687, 735, 798, 855, 882, 931, 1145, 1197, 1330, 1374, 1470, 1603, 1710, 1862, 1995, 2061, 2205, 2290, 2394, 2793, 3206, 3435, 3990, 4122, 4351, 4410, 4655, 4809, 5586, 5985, 6870, 8015, 8379, 8702, 9310, 9618, 10305, 11221, 11970, 13053, 13965, 14427, 16030, 16758, 20610, 21755, 22442, 24045, 26106, 27930, 28854, 30457, 33663, 39159, 41895, 43510, 48090, 56105, 60914, 65265, 67326, 72135, 78318, 83790, 91371, 100989, 112210, 130530, 144270, 152285, 168315, 182742, 195795, 201978, 213199, 274113, 304570, 336630, 391590, 426398, 456855, 504945, 548226, 639597, 913710, 1009890, 1065995, 1279194, 1370565, 1918791, 2131990, 2741130, 3197985, 3837582, 6395970, 9593955, 19187910]

約数ペア:

[(1, 19187910), (2, 9593955), (3, 6395970), (5, 3837582), (6, 3197985), (7, 2741130), (9, 2131990), (10, 1918791), (14, 1370565), (15, 1279194), (18, 1065995), (19, 1009890), (21, 913710), (30, 639597), (35, 548226), (38, 504945), (42, 456855), (45, 426398), (49, 391590), (57, 336630), (63, 304570), (70, 274113), (90, 213199), (95, 201978), (98, 195795), (105, 182742), (114, 168315), (126, 152285), (133, 144270), (147, 130530), (171, 112210), (190, 100989), (210, 91371), (229, 83790), (245, 78318), (266, 72135), (285, 67326), (294, 65265), (315, 60914), (342, 56105), (399, 48090), (441, 43510), (458, 41895), (490, 39159), (570, 33663), (630, 30457), (665, 28854), (687, 27930), (735, 26106), (798, 24045), (855, 22442), (882, 21755), (931, 20610), (1145, 16758), (1197, 16030), (1330, 14427), (1374, 13965), (1470, 13053), (1603, 11970), (1710, 11221), (1862, 10305), (1995, 9618), (2061, 9310), (2205, 8702), (2290, 8379), (2394, 8015), (2793, 6870), (3206, 5985), (3435, 5586), (3990, 4809), (4122, 4655), (4351, 4410)]